You are a helpful assistant in evaluating the quality of the outputs for a given instruction. Your goal is to select the best output for the given instruction.

Select the Output (a) or Output (b) that is better for the given instruction. The two outputs are generated by two different AI chatbots respectively.

Here are some rules of the evaluation:
(1) You should prioritize evaluating whether the output honestly/precisely/closely executes the instruction, then consider its helpfulness, accuracy, level of detail, harmlessness, etc.
(2) Outputs should NOT contain more/less than what the instruction asks for, as such outputs do NOT precisely execute the instruction.
(3) You should avoid any potential bias and your judgment should be as objective as possible. For example, the order in which the outputs were presented should NOT affect your judgment, as Output (a) and Output (b) are **equally likely** to be the better.

Do NOT provide any explanation for your choice.
Do NOT say both / neither are good.
You should answer using ONLY "Output (a)" or "Output (b)". Do NOT output any other words.

# Instruction:
Here is an article:
Farming can be a tough enough business at the best of times, but imagine not being able to prove that the land you farm is even yours. By Gabriella MulliganTechnology of Business reporter In Ghana, for example, only 10% of smallholder farmers have any kind of certificate documenting their ownership rights. Not only does this put them in a vulnerable position, it can often lead to disputes. And if your land is the main asset you want to borrow against, getting a loan can prove difficult, too. So tech company Landmapp has come up with an innovative mobile platform that uses GPS location functionality to map and survey smallholder farmers. Farmers receive a certified plan of the land and land tenure documentation signed by the surveyor, chiefs and high court. "Land tenure insecurity is a core barrier to land investment and farming," explains Thomas Vaassen, Landmapp's co-founder and chief technical officer. "Without proper documentation, there is a real risk of losing the rights to a land parcel. Also, without documentation it is often not possible to access financing, as the document is the only collateral at hand for most farmers." The company started operations in Ghana earlier this year and has already completed more than 1,000 land maps. It says 80% of traditional chiefs are interested in the service. Smart contracts Disputes can also occur between farmers and food companies who buy their produce. These arrangements have traditionally relied on a large element of trust on both sides. But sometimes producers don't get paid when food companies think farmers haven't delivered what they promised. So Freshmarte for Provenance has developed a mobile app that enables food companies and farmers to operate digital smart contracts based on blockchain, the technology underpinning the Bitcoin digital currency. These contracts are recorded in an encrypted, decentralised ledger that cannot be tampered with, so there can be no dispute about the agreements or whether the terms have been fulfilled or not. The app integrates satellite imagery to monitor the progress of farming projects. And following harvest, the price of produce is fairly determined by an algorithm. The tech has other uses, too. Freshmarte is based on open data, allowing anyone to view the source of the products being sold. Buyers can be sure that no child labour was used, for example, or that producers are receiving a fair wage. "Our platform, with independent open data APIs [application programming interfaces], allows any concerned individual to research how, when, where, under which labour conditions, and price in respect to trade, the food on their table was grown, packaged, transported and delivered," explains founder Job Oyebisi. The app is currently being trialled in southern Nigeria by British American Tobacco, and goes live country-wide in November. A problem shared Of course, it's not just hi-tech solutions helping farmers. Lo-tech phones have given them better access to live market prices, weather forecasts, and, crucially, advice for many years now. One company, WeFarm, operates a peer-to-peer knowledge exchange service via SMS text message, allowing farmers to ask questions of other farmers. Its algorithm routes the question to the most relevant farmers, based on their location and expertise, for example. When Ugandan farmer Erick Beinenama's chickens were dying from coccidiosis, he turned to WeFarm in a bid to save them. Another chicken farmer saw his SMS, gave him advice, and Mr Beinenama managed to save his remaining 23 chickens. "With farming, you need knowledge from other farmers for better yields," he says. "Without the information from WeFarm, I would have lost all of my chickens." Each farmer receives on average three to five answers within a couple of hours, and often farmers from other countries begin sending in advice within 24 hours. Until now, rural farmers typically relied on government field officers for assistance if they had a problem with their crops or livestock. Visits to rural villages from these officers are often only once a month - enough time for all of a farmer's animals to die, or their crops to fail. "Technology opens up lots of opportunities, whether that is solving a problem on their farm, finding a market for produce, or being able to enhance their resilience to climate change," says Kenny Ewan, WeFarm's founder and chief executive. "These small differences can make a huge impact on smallholders' livelihoods." Finance for farming In the meantime, improving farmers' access to financial services - and financial security - also needs to be a priority for technical innovation, says Ross Baird, chief executive of investment and business training organisation, Village Capital. With around 33 million small farms producing up to 90% of Africa's entire agricultural output, Mr Baird argues it is important to help farmers build their wealth and achieve financial security. Nearly two-thirds of the rural population in sub-Saharan Africa live on less than $1.25 (95p) a day. "Low-cost smartphones have given farmers access to financial services they never had before. But other tools, such as access to credit, savings, investments, and income-smoothing mechanisms require data that is currently too expensive for the plans that farmers have," Mr Baird says. Village Capital recently ran a business accelerator in East Africa focusing on these challenges. He says Africa needs better infrastructure, and preferably free internet, if farmers are to benefit fully from new technology. "Ultimately, we will be successful when we see the average farmer earn a living wage and have financial security," he says. Follow Technology of Business editor Matthew Wall on Twitter Click here for more Technology of Business features

Here is a summary requirement:
Summarize the statistics mentioned in this article.

Please summarize the above article based on the given requirement:

# Output (a):
In Ghana, only 10% of smallholder farmers have documentation proving their ownership rights. Tech company Landmapp has developed a mobile platform that uses GPS to map and survey smallholder farmers, providing them with certified land tenure documentation. The company has already completed over 1,000 land maps in Ghana, with 80% of traditional chiefs expressing interest in the service. Nearly two-thirds of the rural population in sub-Saharan Africa live on less than $1.25 a day, with 33 million small farms producing up to 90% of Africa's entire agricultural output.

# Output (b):
In Ghana, only 10% of smallholder farmers have any kind of certificate documenting their ownership rights. Landmapp has completed more than 1,000 land maps and 80% of traditional chiefs are interested in the service. Freshmarte is being trialled in southern Nigeria by British American Tobacco and goes live country-wide in November. WeFarm has helped farmers with advice via SMS text message and has seen an average of three to five answers within a couple of hours. Nearly two-thirds of the rural population in sub-Saharan Africa live on less than $1.25 (95p) a day.

# Which is better, Output (a) or Output (b)? Your response should be either "Output (a)" or "Output (b)":

Output (a)

Instruction:
Here is an article:
Farming can be a tough enough business at the best of times, but imagine not being able to prove that the land you farm is even yours. By Gabriella MulliganTechnology of Business reporter In Ghana, for example, only 10% of smallholder farmers have any kind of certificate documenting their ownership rights. Not only does this put them in a vulnerable position, it can often lead to disputes. And if your land is the main asset you want to borrow against, getting a loan can prove difficult, too. So tech company Landmapp has come up with an innovative mobile platform that uses GPS location functionality to map and survey smallholder farmers. Farmers receive a certified plan of the land and land tenure documentation signed by the surveyor, chiefs and high court. "Land tenure insecurity is a core barrier to land investment and farming," explains Thomas Vaassen, Landmapp's co-founder and chief technical officer. "Without proper documentation, there is a real risk of losing the rights to a land parcel. Also, without documentation it is often not possible to access financing, as the document is the only collateral at hand for most farmers." The company started operations in Ghana earlier this year and has already completed more than 1,000 land maps. It says 80% of traditional chiefs are interested in the service. Smart contracts Disputes can also occur between farmers and food companies who buy their produce. These arrangements have traditionally relied on a large element of trust on both sides. But sometimes producers don't get paid when food companies think farmers haven't delivered what they promised. So Freshmarte for Provenance has developed a mobile app that enables food companies and farmers to operate digital smart contracts based on blockchain, the technology underpinning the Bitcoin digital currency. These contracts are recorded in an encrypted, decentralised ledger that cannot be tampered with, so there can be no dispute about the agreements or whether the terms have been fulfilled or not. The app integrates satellite imagery to monitor the progress of farming projects. And following harvest, the price of produce is fairly determined by an algorithm. The tech has other uses, too. Freshmarte is based on open data, allowing anyone to view the source of the products being sold. Buyers can be sure that no child labour was used, for example, or that producers are receiving a fair wage. "Our platform, with independent open data APIs [application programming interfaces], allows any concerned individual to research how, when, where, under which labour conditions, and price in respect to trade, the food on their table was grown, packaged, transported and delivered," explains founder Job Oyebisi. The app is currently being trialled in southern Nigeria by British American Tobacco, and goes live country-wide in November. A problem shared Of course, it's not just hi-tech solutions helping farmers. Lo-tech phones have given them better access to live market prices, weather forecasts, and, crucially, advice for many years now. One company, WeFarm, operates a peer-to-peer knowledge exchange service via SMS text message, allowing farmers to ask questions of other farmers. Its algorithm routes the question to the most relevant farmers, based on their location and expertise, for example. When Ugandan farmer Erick Beinenama's chickens were dying from coccidiosis, he turned to WeFarm in a bid to save them. Another chicken farmer saw his SMS, gave him advice, and Mr Beinenama managed to save his remaining 23 chickens. "With farming, you need knowledge from other farmers for better yields," he says. "Without the information from WeFarm, I would have lost all of my chickens." Each farmer receives on average three to five answers within a couple of hours, and often farmers from other countries begin sending in advice within 24 hours. Until now, rural farmers typically relied on government field officers for assistance if they had a problem with their crops or livestock. Visits to rural villages from these officers are often only once a month - enough time for all of a farmer's animals to die, or their crops to fail. "Technology opens up lots of opportunities, whether that is solving a problem on their farm, finding a market for produce, or being able to enhance their resilience to climate change," says Kenny Ewan, WeFarm's founder and chief executive. "These small differences can make a huge impact on smallholders' livelihoods." Finance for farming In the meantime, improving farmers' access to financial services - and financial security - also needs to be a priority for technical innovation, says Ross Baird, chief executive of investment and business training organisation, Village Capital. With around 33 million small farms producing up to 90% of Africa's entire agricultural output, Mr Baird argues it is important to help farmers build their wealth and achieve financial security. Nearly two-thirds of the rural population in sub-Saharan Africa live on less than $1.25 (95p) a day. "Low-cost smartphones have given farmers access to financial services they never had before. But other tools, such as access to credit, savings, investments, and income-smoothing mechanisms require data that is currently too expensive for the plans that farmers have," Mr Baird says. Village Capital recently ran a business accelerator in East Africa focusing on these challenges. He says Africa needs better infrastructure, and preferably free internet, if farmers are to benefit fully from new technology. "Ultimately, we will be successful when we see the average farmer earn a living wage and have financial security," he says. Follow Technology of Business editor Matthew Wall on Twitter Click here for more Technology of Business features

Here is a summary requirement:
Summarize the statistics mentioned in this article.

Please summarize the above article based on the given requirement:

In Ghana, only 10% of smallholder farmers have documentation proving their ownership rights. Tech company Landmapp has developed a mobile platform that uses GPS to map and survey smallholder farmers, providing them with certified land tenure documentation. The company has already completed over 1,000 land maps in Ghana, with 80% of traditional chiefs expressing interest in the service. Nearly two-thirds of the rural population in sub-Saharan Africa live on less than $1.25 a day, with 33 million small farms producing up to 90% of Africa's entire agricultural output.

In Ghana, only 10% of smallholder farmers have any kind of certificate documenting their ownership rights. Landmapp has completed more than 1,000 land maps and 80% of traditional chiefs are interested in the service. Freshmarte is being trialled in southern Nigeria by British American Tobacco and goes live country-wide in November. WeFarm has helped farmers with advice via SMS text message and has seen an average of three to five answers within a couple of hours. Nearly two-thirds of the rural population in sub-Saharan Africa live on less than $1.25 (95p) a day.


You are a helpful assistant in evaluating the quality of the outputs for a given instruction. Your goal is to select the best output for the given instruction.

Select the Output (a) or Output (b) that is better for the given instruction. The two outputs are generated by two different AI chatbots respectively.

Here are some rules of the evaluation:
(1) You should prioritize evaluating whether the output honestly/precisely/closely executes the instruction, then consider its helpfulness, accuracy, level of detail, harmlessness, etc.
(2) Outputs should NOT contain more/less than what the instruction asks for, as such outputs do NOT precisely execute the instruction.
(3) You should avoid any potential bias and your judgment should be as objective as possible. For example, the order in which the outputs were presented should NOT affect your judgment, as Output (a) and Output (b) are **equally likely** to be the better.

Do NOT provide any explanation for your choice.
Do NOT say both / neither are good.
You should answer using ONLY "Output (a)" or "Output (b)". Do NOT output any other words.

# Instruction:
Here is an article:
Farming can be a tough enough business at the best of times, but imagine not being able to prove that the land you farm is even yours. By Gabriella MulliganTechnology of Business reporter In Ghana, for example, only 10% of smallholder farmers have any kind of certificate documenting their ownership rights. Not only does this put them in a vulnerable position, it can often lead to disputes. And if your land is the main asset you want to borrow against, getting a loan can prove difficult, too. So tech company Landmapp has come up with an innovative mobile platform that uses GPS location functionality to map and survey smallholder farmers. Farmers receive a certified plan of the land and land tenure documentation signed by the surveyor, chiefs and high court. "Land tenure insecurity is a core barrier to land investment and farming," explains Thomas Vaassen, Landmapp's co-founder and chief technical officer. "Without proper documentation, there is a real risk of losing the rights to a land parcel. Also, without documentation it is often not possible to access financing, as the document is the only collateral at hand for most farmers." The company started operations in Ghana earlier this year and has already completed more than 1,000 land maps. It says 80% of traditional chiefs are interested in the service. Smart contracts Disputes can also occur between farmers and food companies who buy their produce. These arrangements have traditionally relied on a large element of trust on both sides. But sometimes producers don't get paid when food companies think farmers haven't delivered what they promised. So Freshmarte for Provenance has developed a mobile app that enables food companies and farmers to operate digital smart contracts based on blockchain, the technology underpinning the Bitcoin digital currency. These contracts are recorded in an encrypted, decentralised ledger that cannot be tampered with, so there can be no dispute about the agreements or whether the terms have been fulfilled or not. The app integrates satellite imagery to monitor the progress of farming projects. And following harvest, the price of produce is fairly determined by an algorithm. The tech has other uses, too. Freshmarte is based on open data, allowing anyone to view the source of the products being sold. Buyers can be sure that no child labour was used, for example, or that producers are receiving a fair wage. "Our platform, with independent open data APIs [application programming interfaces], allows any concerned individual to research how, when, where, under which labour conditions, and price in respect to trade, the food on their table was grown, packaged, transported and delivered," explains founder Job Oyebisi. The app is currently being trialled in southern Nigeria by British American Tobacco, and goes live country-wide in November. A problem shared Of course, it's not just hi-tech solutions helping farmers. Lo-tech phones have given them better access to live market prices, weather forecasts, and, crucially, advice for many years now. One company, WeFarm, operates a peer-to-peer knowledge exchange service via SMS text message, allowing farmers to ask questions of other farmers. Its algorithm routes the question to the most relevant farmers, based on their location and expertise, for example. When Ugandan farmer Erick Beinenama's chickens were dying from coccidiosis, he turned to WeFarm in a bid to save them. Another chicken farmer saw his SMS, gave him advice, and Mr Beinenama managed to save his remaining 23 chickens. "With farming, you need knowledge from other farmers for better yields," he says. "Without the information from WeFarm, I would have lost all of my chickens." Each farmer receives on average three to five answers within a couple of hours, and often farmers from other countries begin sending in advice within 24 hours. Until now, rural farmers typically relied on government field officers for assistance if they had a problem with their crops or livestock. Visits to rural villages from these officers are often only once a month - enough time for all of a farmer's animals to die, or their crops to fail. "Technology opens up lots of opportunities, whether that is solving a problem on their farm, finding a market for produce, or being able to enhance their resilience to climate change," says Kenny Ewan, WeFarm's founder and chief executive. "These small differences can make a huge impact on smallholders' livelihoods." Finance for farming In the meantime, improving farmers' access to financial services - and financial security - also needs to be a priority for technical innovation, says Ross Baird, chief executive of investment and business training organisation, Village Capital. With around 33 million small farms producing up to 90% of Africa's entire agricultural output, Mr Baird argues it is important to help farmers build their wealth and achieve financial security. Nearly two-thirds of the rural population in sub-Saharan Africa live on less than $1.25 (95p) a day. "Low-cost smartphones have given farmers access to financial services they never had before. But other tools, such as access to credit, savings, investments, and income-smoothing mechanisms require data that is currently too expensive for the plans that farmers have," Mr Baird says. Village Capital recently ran a business accelerator in East Africa focusing on these challenges. He says Africa needs better infrastructure, and preferably free internet, if farmers are to benefit fully from new technology. "Ultimately, we will be successful when we see the average farmer earn a living wage and have financial security," he says. Follow Technology of Business editor Matthew Wall on Twitter Click here for more Technology of Business features

Here is a summary requirement:
Summarize the statistics mentioned in this article.

Please summarize the above article based on the given requirement:

# Output (a):
The article highlights the challenges faced by smallholder farmers in Africa, including the lack of land ownership documentation and access to financial services. Only 10% of smallholder farmers in Ghana have any kind of certificate documenting their ownership rights. However, technology is helping to address these challenges. Landmapp has already completed more than 1,000 land maps in Ghana, and Freshmarte for Provenance has developed a mobile app that enables food companies and farmers to operate digital smart contracts based on blockchain. WeFarm operates a peer-to-peer knowledge exchange service via SMS text message, allowing farmers to ask questions of other farmers. With around 33 million small farms producing up to 90% of Africa's entire agricultural output, it is important to help farmers build their wealth and achieve financial security. Nearly two-thirds of the rural population in sub-Saharan Africa live on less than $1.25 (95p) a day.

# Output (b):
In Ghana, only 10% of smallholder farmers have documentation proving their ownership rights. Tech company Landmapp has developed a mobile platform that uses GPS to map and survey smallholder farmers, providing them with certified land tenure documentation. The company has already completed over 1,000 land maps in Ghana, with 80% of traditional chiefs expressing interest in the service. Nearly two-thirds of the rural population in sub-Saharan Africa live on less than $1.25 a day, with 33 million small farms producing up to 90% of Africa's entire agricultural output.

# Which is better, Output (a) or Output (b)? Your response should be either "Output (a)" or "Output (b)":

Output (b)

Instruction:
Here is an article:
Farming can be a tough enough business at the best of times, but imagine not being able to prove that the land you farm is even yours. By Gabriella MulliganTechnology of Business reporter In Ghana, for example, only 10% of smallholder farmers have any kind of certificate documenting their ownership rights. Not only does this put them in a vulnerable position, it can often lead to disputes. And if your land is the main asset you want to borrow against, getting a loan can prove difficult, too. So tech company Landmapp has come up with an innovative mobile platform that uses GPS location functionality to map and survey smallholder farmers. Farmers receive a certified plan of the land and land tenure documentation signed by the surveyor, chiefs and high court. "Land tenure insecurity is a core barrier to land investment and farming," explains Thomas Vaassen, Landmapp's co-founder and chief technical officer. "Without proper documentation, there is a real risk of losing the rights to a land parcel. Also, without documentation it is often not possible to access financing, as the document is the only collateral at hand for most farmers." The company started operations in Ghana earlier this year and has already completed more than 1,000 land maps. It says 80% of traditional chiefs are interested in the service. Smart contracts Disputes can also occur between farmers and food companies who buy their produce. These arrangements have traditionally relied on a large element of trust on both sides. But sometimes producers don't get paid when food companies think farmers haven't delivered what they promised. So Freshmarte for Provenance has developed a mobile app that enables food companies and farmers to operate digital smart contracts based on blockchain, the technology underpinning the Bitcoin digital currency. These contracts are recorded in an encrypted, decentralised ledger that cannot be tampered with, so there can be no dispute about the agreements or whether the terms have been fulfilled or not. The app integrates satellite imagery to monitor the progress of farming projects. And following harvest, the price of produce is fairly determined by an algorithm. The tech has other uses, too. Freshmarte is based on open data, allowing anyone to view the source of the products being sold. Buyers can be sure that no child labour was used, for example, or that producers are receiving a fair wage. "Our platform, with independent open data APIs [application programming interfaces], allows any concerned individual to research how, when, where, under which labour conditions, and price in respect to trade, the food on their table was grown, packaged, transported and delivered," explains founder Job Oyebisi. The app is currently being trialled in southern Nigeria by British American Tobacco, and goes live country-wide in November. A problem shared Of course, it's not just hi-tech solutions helping farmers. Lo-tech phones have given them better access to live market prices, weather forecasts, and, crucially, advice for many years now. One company, WeFarm, operates a peer-to-peer knowledge exchange service via SMS text message, allowing farmers to ask questions of other farmers. Its algorithm routes the question to the most relevant farmers, based on their location and expertise, for example. When Ugandan farmer Erick Beinenama's chickens were dying from coccidiosis, he turned to WeFarm in a bid to save them. Another chicken farmer saw his SMS, gave him advice, and Mr Beinenama managed to save his remaining 23 chickens. "With farming, you need knowledge from other farmers for better yields," he says. "Without the information from WeFarm, I would have lost all of my chickens." Each farmer receives on average three to five answers within a couple of hours, and often farmers from other countries begin sending in advice within 24 hours. Until now, rural farmers typically relied on government field officers for assistance if they had a problem with their crops or livestock. Visits to rural villages from these officers are often only once a month - enough time for all of a farmer's animals to die, or their crops to fail. "Technology opens up lots of opportunities, whether that is solving a problem on their farm, finding a market for produce, or being able to enhance their resilience to climate change," says Kenny Ewan, WeFarm's founder and chief executive. "These small differences can make a huge impact on smallholders' livelihoods." Finance for farming In the meantime, improving farmers' access to financial services - and financial security - also needs to be a priority for technical innovation, says Ross Baird, chief executive of investment and business training organisation, Village Capital. With around 33 million small farms producing up to 90% of Africa's entire agricultural output, Mr Baird argues it is important to help farmers build their wealth and achieve financial security. Nearly two-thirds of the rural population in sub-Saharan Africa live on less than $1.25 (95p) a day. "Low-cost smartphones have given farmers access to financial services they never had before. But other tools, such as access to credit, savings, investments, and income-smoothing mechanisms require data that is currently too expensive for the plans that farmers have," Mr Baird says. Village Capital recently ran a business accelerator in East Africa focusing on these challenges. He says Africa needs better infrastructure, and preferably free internet, if farmers are to benefit fully from new technology. "Ultimately, we will be successful when we see the average farmer earn a living wage and have financial security," he says. Follow Technology of Business editor Matthew Wall on Twitter Click here for more Technology of Business features

Here is a summary requirement:
Summarize the statistics mentioned in this article.

Please summarize the above article based on the given requirement:

The article highlights the challenges faced by smallholder farmers in Africa, including the lack of land ownership documentation and access to financial services. Only 10% of smallholder farmers in Ghana have any kind of certificate documenting their ownership rights. However, technology is helping to address these challenges. Landmapp has already completed more than 1,000 land maps in Ghana, and Freshmarte for Provenance has developed a mobile app that enables food companies and farmers to operate digital smart contracts based on blockchain. WeFarm operates a peer-to-peer knowledge exchange service via SMS text message, allowing farmers to ask questions of other farmers. With around 33 million small farms producing up to 90% of Africa's entire agricultural output, it is important to help farmers build their wealth and achieve financial security. Nearly two-thirds of the rural population in sub-Saharan Africa live on less than $1.25 (95p) a day.

In Ghana, only 10% of smallholder farmers have documentation proving their ownership rights. Tech company Landmapp has developed a mobile platform that uses GPS to map and survey smallholder farmers, providing them with certified land tenure documentation. The company has already completed over 1,000 land maps in Ghana, with 80% of traditional chiefs expressing interest in the service. Nearly two-thirds of the rural population in sub-Saharan Africa live on less than $1.25 a day, with 33 million small farms producing up to 90% of Africa's entire agricultural output.


You are a helpful assistant in evaluating the quality of the outputs for a given instruction. Your goal is to select the best output for the given instruction.

Select the Output (a) or Output (b) that is better for the given instruction. The two outputs are generated by two different AI chatbots respectively.

Here are some rules of the evaluation:
(1) You should prioritize evaluating whether the output honestly/precisely/closely executes the instruction, then consider its helpfulness, accuracy, level of detail, harmlessness, etc.
(2) Outputs should NOT contain more/less than what the instruction asks for, as such outputs do NOT precisely execute the instruction.
(3) You should avoid any potential bias and your judgment should be as objective as possible. For example, the order in which the outputs were presented should NOT affect your judgment, as Output (a) and Output (b) are **equally likely** to be the better.

Do NOT provide any explanation for your choice.
Do NOT say both / neither are good.
You should answer using ONLY "Output (a)" or "Output (b)". Do NOT output any other words.

# Instruction:
Here is an article:
Farming can be a tough enough business at the best of times, but imagine not being able to prove that the land you farm is even yours. By Gabriella MulliganTechnology of Business reporter In Ghana, for example, only 10% of smallholder farmers have any kind of certificate documenting their ownership rights. Not only does this put them in a vulnerable position, it can often lead to disputes. And if your land is the main asset you want to borrow against, getting a loan can prove difficult, too. So tech company Landmapp has come up with an innovative mobile platform that uses GPS location functionality to map and survey smallholder farmers. Farmers receive a certified plan of the land and land tenure documentation signed by the surveyor, chiefs and high court. "Land tenure insecurity is a core barrier to land investment and farming," explains Thomas Vaassen, Landmapp's co-founder and chief technical officer. "Without proper documentation, there is a real risk of losing the rights to a land parcel. Also, without documentation it is often not possible to access financing, as the document is the only collateral at hand for most farmers." The company started operations in Ghana earlier this year and has already completed more than 1,000 land maps. It says 80% of traditional chiefs are interested in the service. Smart contracts Disputes can also occur between farmers and food companies who buy their produce. These arrangements have traditionally relied on a large element of trust on both sides. But sometimes producers don't get paid when food companies think farmers haven't delivered what they promised. So Freshmarte for Provenance has developed a mobile app that enables food companies and farmers to operate digital smart contracts based on blockchain, the technology underpinning the Bitcoin digital currency. These contracts are recorded in an encrypted, decentralised ledger that cannot be tampered with, so there can be no dispute about the agreements or whether the terms have been fulfilled or not. The app integrates satellite imagery to monitor the progress of farming projects. And following harvest, the price of produce is fairly determined by an algorithm. The tech has other uses, too. Freshmarte is based on open data, allowing anyone to view the source of the products being sold. Buyers can be sure that no child labour was used, for example, or that producers are receiving a fair wage. "Our platform, with independent open data APIs [application programming interfaces], allows any concerned individual to research how, when, where, under which labour conditions, and price in respect to trade, the food on their table was grown, packaged, transported and delivered," explains founder Job Oyebisi. The app is currently being trialled in southern Nigeria by British American Tobacco, and goes live country-wide in November. A problem shared Of course, it's not just hi-tech solutions helping farmers. Lo-tech phones have given them better access to live market prices, weather forecasts, and, crucially, advice for many years now. One company, WeFarm, operates a peer-to-peer knowledge exchange service via SMS text message, allowing farmers to ask questions of other farmers. Its algorithm routes the question to the most relevant farmers, based on their location and expertise, for example. When Ugandan farmer Erick Beinenama's chickens were dying from coccidiosis, he turned to WeFarm in a bid to save them. Another chicken farmer saw his SMS, gave him advice, and Mr Beinenama managed to save his remaining 23 chickens. "With farming, you need knowledge from other farmers for better yields," he says. "Without the information from WeFarm, I would have lost all of my chickens." Each farmer receives on average three to five answers within a couple of hours, and often farmers from other countries begin sending in advice within 24 hours. Until now, rural farmers typically relied on government field officers for assistance if they had a problem with their crops or livestock. Visits to rural villages from these officers are often only once a month - enough time for all of a farmer's animals to die, or their crops to fail. "Technology opens up lots of opportunities, whether that is solving a problem on their farm, finding a market for produce, or being able to enhance their resilience to climate change," says Kenny Ewan, WeFarm's founder and chief executive. "These small differences can make a huge impact on smallholders' livelihoods." Finance for farming In the meantime, improving farmers' access to financial services - and financial security - also needs to be a priority for technical innovation, says Ross Baird, chief executive of investment and business training organisation, Village Capital. With around 33 million small farms producing up to 90% of Africa's entire agricultural output, Mr Baird argues it is important to help farmers build their wealth and achieve financial security. Nearly two-thirds of the rural population in sub-Saharan Africa live on less than $1.25 (95p) a day. "Low-cost smartphones have given farmers access to financial services they never had before. But other tools, such as access to credit, savings, investments, and income-smoothing mechanisms require data that is currently too expensive for the plans that farmers have," Mr Baird says. Village Capital recently ran a business accelerator in East Africa focusing on these challenges. He says Africa needs better infrastructure, and preferably free internet, if farmers are to benefit fully from new technology. "Ultimately, we will be successful when we see the average farmer earn a living wage and have financial security," he says. Follow Technology of Business editor Matthew Wall on Twitter Click here for more Technology of Business features

Here is a summary requirement:
Summarize the statistics mentioned in this article.

Please summarize the above article based on the given requirement:

# Output (a):
The article highlights the challenges faced by smallholder farmers in Africa, including the lack of land ownership documentation and access to financial services. Only 10% of smallholder farmers in Ghana have any kind of certificate documenting their ownership rights. However, technology is helping to address these challenges. Landmapp has already completed more than 1,000 land maps in Ghana, and Freshmarte for Provenance has developed a mobile app that enables food companies and farmers to operate digital smart contracts based on blockchain. WeFarm operates a peer-to-peer knowledge exchange service via SMS text message, allowing farmers to ask questions of other farmers. With around 33 million small farms producing up to 90% of Africa's entire agricultural output, it is important to help farmers build their wealth and achieve financial security. Nearly two-thirds of the rural population in sub-Saharan Africa live on less than $1.25 (95p) a day.

# Output (b):
In Ghana, only 10% of smallholder farmers have documentation proving their ownership rights. Tech company Landmapp has already completed over 1,000 land maps in Ghana, with 80% of traditional chiefs expressing interest in their service. Nearly two-thirds of the rural population in sub-Saharan Africa live on less than $1.25 a day, with 33 million small farms producing up to 90% of Africa's entire agricultural output.

# Which is better, Output (a) or Output (b)? Your response should be either "Output (a)" or "Output (b)":

Output (b)

Instruction:
Here is an article:
Farming can be a tough enough business at the best of times, but imagine not being able to prove that the land you farm is even yours. By Gabriella MulliganTechnology of Business reporter In Ghana, for example, only 10% of smallholder farmers have any kind of certificate documenting their ownership rights. Not only does this put them in a vulnerable position, it can often lead to disputes. And if your land is the main asset you want to borrow against, getting a loan can prove difficult, too. So tech company Landmapp has come up with an innovative mobile platform that uses GPS location functionality to map and survey smallholder farmers. Farmers receive a certified plan of the land and land tenure documentation signed by the surveyor, chiefs and high court. "Land tenure insecurity is a core barrier to land investment and farming," explains Thomas Vaassen, Landmapp's co-founder and chief technical officer. "Without proper documentation, there is a real risk of losing the rights to a land parcel. Also, without documentation it is often not possible to access financing, as the document is the only collateral at hand for most farmers." The company started operations in Ghana earlier this year and has already completed more than 1,000 land maps. It says 80% of traditional chiefs are interested in the service. Smart contracts Disputes can also occur between farmers and food companies who buy their produce. These arrangements have traditionally relied on a large element of trust on both sides. But sometimes producers don't get paid when food companies think farmers haven't delivered what they promised. So Freshmarte for Provenance has developed a mobile app that enables food companies and farmers to operate digital smart contracts based on blockchain, the technology underpinning the Bitcoin digital currency. These contracts are recorded in an encrypted, decentralised ledger that cannot be tampered with, so there can be no dispute about the agreements or whether the terms have been fulfilled or not. The app integrates satellite imagery to monitor the progress of farming projects. And following harvest, the price of produce is fairly determined by an algorithm. The tech has other uses, too. Freshmarte is based on open data, allowing anyone to view the source of the products being sold. Buyers can be sure that no child labour was used, for example, or that producers are receiving a fair wage. "Our platform, with independent open data APIs [application programming interfaces], allows any concerned individual to research how, when, where, under which labour conditions, and price in respect to trade, the food on their table was grown, packaged, transported and delivered," explains founder Job Oyebisi. The app is currently being trialled in southern Nigeria by British American Tobacco, and goes live country-wide in November. A problem shared Of course, it's not just hi-tech solutions helping farmers. Lo-tech phones have given them better access to live market prices, weather forecasts, and, crucially, advice for many years now. One company, WeFarm, operates a peer-to-peer knowledge exchange service via SMS text message, allowing farmers to ask questions of other farmers. Its algorithm routes the question to the most relevant farmers, based on their location and expertise, for example. When Ugandan farmer Erick Beinenama's chickens were dying from coccidiosis, he turned to WeFarm in a bid to save them. Another chicken farmer saw his SMS, gave him advice, and Mr Beinenama managed to save his remaining 23 chickens. "With farming, you need knowledge from other farmers for better yields," he says. "Without the information from WeFarm, I would have lost all of my chickens." Each farmer receives on average three to five answers within a couple of hours, and often farmers from other countries begin sending in advice within 24 hours. Until now, rural farmers typically relied on government field officers for assistance if they had a problem with their crops or livestock. Visits to rural villages from these officers are often only once a month - enough time for all of a farmer's animals to die, or their crops to fail. "Technology opens up lots of opportunities, whether that is solving a problem on their farm, finding a market for produce, or being able to enhance their resilience to climate change," says Kenny Ewan, WeFarm's founder and chief executive. "These small differences can make a huge impact on smallholders' livelihoods." Finance for farming In the meantime, improving farmers' access to financial services - and financial security - also needs to be a priority for technical innovation, says Ross Baird, chief executive of investment and business training organisation, Village Capital. With around 33 million small farms producing up to 90% of Africa's entire agricultural output, Mr Baird argues it is important to help farmers build their wealth and achieve financial security. Nearly two-thirds of the rural population in sub-Saharan Africa live on less than $1.25 (95p) a day. "Low-cost smartphones have given farmers access to financial services they never had before. But other tools, such as access to credit, savings, investments, and income-smoothing mechanisms require data that is currently too expensive for the plans that farmers have," Mr Baird says. Village Capital recently ran a business accelerator in East Africa focusing on these challenges. He says Africa needs better infrastructure, and preferably free internet, if farmers are to benefit fully from new technology. "Ultimately, we will be successful when we see the average farmer earn a living wage and have financial security," he says. Follow Technology of Business editor Matthew Wall on Twitter Click here for more Technology of Business features

Here is a summary requirement:
Summarize the statistics mentioned in this article.

Please summarize the above article based on the given requirement:

The article highlights the challenges faced by smallholder farmers in Africa, including the lack of land ownership documentation and access to financial services. Only 10% of smallholder farmers in Ghana have any kind of certificate documenting their ownership rights. However, technology is helping to address these challenges. Landmapp has already completed more than 1,000 land maps in Ghana, and Freshmarte for Provenance has developed a mobile app that enables food companies and farmers to operate digital smart contracts based on blockchain. WeFarm operates a peer-to-peer knowledge exchange service via SMS text message, allowing farmers to ask questions of other farmers. With around 33 million small farms producing up to 90% of Africa's entire agricultural output, it is important to help farmers build their wealth and achieve financial security. Nearly two-thirds of the rural population in sub-Saharan Africa live on less than $1.25 (95p) a day.

In Ghana, only 10% of smallholder farmers have documentation proving their ownership rights. Tech company Landmapp has already completed over 1,000 land maps in Ghana, with 80% of traditional chiefs expressing interest in their service. Nearly two-thirds of the rural population in sub-Saharan Africa live on less than $1.25 a day, with 33 million small farms producing up to 90% of Africa's entire agricultural output.


You are a helpful assistant in evaluating the quality of the outputs for a given instruction. Your goal is to select the best output for the given instruction.

Select the Output (a) or Output (b) that is better for the given instruction. The two outputs are generated by two different AI chatbots respectively.

Here are some rules of the evaluation:
(1) You should prioritize evaluating whether the output honestly/precisely/closely executes the instruction, then consider its helpfulness, accuracy, level of detail, harmlessness, etc.
(2) Outputs should NOT contain more/less than what the instruction asks for, as such outputs do NOT precisely execute the instruction.
(3) You should avoid any potential bias and your judgment should be as objective as possible. For example, the order in which the outputs were presented should NOT affect your judgment, as Output (a) and Output (b) are **equally likely** to be the better.

Do NOT provide any explanation for your choice.
Do NOT say both / neither are good.
You should answer using ONLY "Output (a)" or "Output (b)". Do NOT output any other words.

# Instruction:
Here is an article:
For more than three decades Chum Mey has carried the physical and emotional scars inflicted on him by agents of Cambodia's Khmer Rouge. By Zoe MurphyBBC News He is one of a only handful of people to have survived Tuol Sleng prison, code-named S-21 - the regime's interrogation centre and site of torture and mass murder. Last year, from behind bullet-proof glass in a Phnom Penh courtroom, Chum Mey finally told his story to the world. He was a leading witness in the first trial of a senior Khmer Rouge figure, Kaing Guek Eav, also known as Comrade Duch. Duch was the head of Tuol Sleng, were as many as 17,000 men, women and children were detained and then killed. Chum Mey's testimony to the United Nations-backed court could perhaps help bring them a degree of long-delayed justice. Forced exodus In 1975, Chum Mey - originally from Prey Veng province - was working in Phnom Penh as a mechanic. He was married with three young children. Cambodia at that time was in political turmoil, with the leaders of a 1970 military coup locked in civil war against Pol Pot's forces. On 17 April 1975 the Khmer Rouge captured Phnom Penh. "When they entered everybody including myself raised a white flag to congratulate them; everybody cheered," Chum Mey told the war crimes tribunal. Just hours later, Khmer Rouge representatives went door-to-door telling people to evacuate to the countryside. Chum Mey said those who did not co-operate were shot dead. He gathered his wife and children and joined the exodus. His two-year-old son fell ill and died during the journey. Chum Mey was forced to bury him in a shallow grave and move on. Later, he was sent back to the capital by the Khmer Rouge to repair sewing machines for a co-operative manufacturing the new revolutionary uniform, black pyjamas. On 28 October 1978 he and other workers were told they were being sent to fix vehicles for an offensive against Vietnam. In reality, Chum Mey was about to enter the darkest period of his life, as he was taken to Tuol Sleng. Conspirator There he was imprisoned in a brick cell about two metres by one metre wide, blind-folded and shackled to the floor. For 12 days and nights, Chum Mey says he was tortured, as his interrogators tried to make him confess to spying for the US and Russia. "If you refuse to confess I'll beat you to death. You must tell the truth then I won't kill you. If not I must kill you," he quoted his tormentors as saying. He was whipped repeatedly about the body with a switch of bamboo sticks. When he held up his hands to try to shield himself his fingers were broken. His toenails were pulled out with pliers while his legs were shackled. When he still refused to confess, the nails were twisted and pulled off his other foot. Finally, Chum Mey said he was subjected to electric shocks several times with a wire from a 220-volt wall socket. On each occasion he passed out. When he came round, he was asked again to confess. Eventually he said he confessed to anything so that the torture would be over. In his confession Chum Mey wrote that he was working for the CIA and had recruited dozens of agents in Cambodia. He gave the names of dozens of acquaintances, innocent men and women who, it is presumed, were later arrested, tortured and murdered. "People who had been arrested and killed previously had implicated me, and I implicated others. So did other people. "It was just like rear waves pushing the front waves forward. So people would die one after another, after another, after another," he said in a BBC interview in 2002. Further tragedy Chum Mey believes he was allowed to live because he was of use to the regime, fixing sewing machines in the prison workshop. At night he was chained to a long iron bar with 40 other prisoners. He says they were forced to live in silence. "When I wept I could not make any noise. I wept a lot and I had no more tears to weep, I was only waiting for the day that I would be killed," he later told the war crimes trial. On 7 January 1979, Vietnamese troops captured Phnom Penh from the Khmer Rouge, and the prison staff fled. Chum Mey was marched at gunpoint by prison guards into the provinces, where he had a chance meeting with his wife, and held for the first time his fourth child - a boy, just two months old. For two days they travelled together to an isolated area with a group of other prisoners. They were then ordered to walk into a paddy field, where their captors opened fire on them. The soldiers shot dead his wife and baby. Chum Mey escaped alone and hid in a forest. Justice "I cry every night. Every time I hear people talk about the Khmer Rouge it reminds me of my wife and children," Chum Mey told the public gallery at Duch's trial. He has said that only the court can help to "wash away" his suffering. Last year he was elected as the head of the newly-formed Association of Victims of the Khmer Rouge Regime. Speaking to the BBC just weeks before the verdict, Chum Mey said he hoped Duch would be sentenced to life in prison. But he said he felt cheated by the court, which he said seemed to place most of the responsibility for crimes committed on those perpetrators already dead, rather than focusing on the accused. Although the trial has not brought closure for Cambodians, he told the BBC's Guy De Launey he was satisfied that a judicial system was now in place. Most days Chum Mey can be found at the former prison, which is now a genocide museum, housing the photographs and written confessions of many of the victims. "I come every day to tell the world the truth about the Tuol Sleng prison... so that none of these crimes are ever repeated anywhere in the world."

Here is a summary requirement:
Summarize the experiences of Chum Mey in the 1970s with a timeline.

Please summarize the above article based on the given requirement:

# Output (a):
Chum Mey was a Cambodian mechanic who was living in Phnom Penh in 1975 when the Khmer Rouge took over the city. He was forced to flee to the countryside with his wife and three children, and his two-year-old son died during the journey. Chum Mey was eventually taken to Tuol Sleng prison, where he was tortured for 12 days and nights in an effort to make him confess to spying for the US and Russia. He eventually confessed to anything just to make the torture stop, and he believes this led to the arrest and murder of many innocent people. Chum Mey was eventually released and reunited with his wife and fourth child, but they were all killed by the Khmer Rouge soon after. Chum Mey eventually made his way to the genocide museum at Tuol Sleng, where he now tells his story to the world every day.

# Output (b):
In 1975, Chum Mey was working in Phnom Penh as a mechanic and was married with three young children. On 17 April 1975, the Khmer Rouge captured Phnom Penh and forced people to evacuate to the countryside. Chum Mey's two-year-old son fell ill and died during the journey. In October 1978, Chum Mey was sent to Tuol Sleng prison, where he was tortured and interrogated for 12 days. He was forced to confess to spying for the US and Russia and implicated innocent people who were later arrested and killed. In January 1979, Vietnamese troops captured Phnom Penh and Chum Mey escaped with his wife and fourth child. However, his wife and baby were shot dead by the Khmer Rouge. In 2018, Chum Mey testified in the trial of Kaing Guek Eav, the head of Tuol Sleng. He now visits the former prison which is now a genocide museum to tell the world the truth about the Tuol Sleng prison.

# Which is better, Output (a) or Output (b)? Your response should be either "Output (a)" or "Output (b)":

Output (b)

Instruction:
Here is an article:
For more than three decades Chum Mey has carried the physical and emotional scars inflicted on him by agents of Cambodia's Khmer Rouge. By Zoe MurphyBBC News He is one of a only handful of people to have survived Tuol Sleng prison, code-named S-21 - the regime's interrogation centre and site of torture and mass murder. Last year, from behind bullet-proof glass in a Phnom Penh courtroom, Chum Mey finally told his story to the world. He was a leading witness in the first trial of a senior Khmer Rouge figure, Kaing Guek Eav, also known as Comrade Duch. Duch was the head of Tuol Sleng, were as many as 17,000 men, women and children were detained and then killed. Chum Mey's testimony to the United Nations-backed court could perhaps help bring them a degree of long-delayed justice. Forced exodus In 1975, Chum Mey - originally from Prey Veng province - was working in Phnom Penh as a mechanic. He was married with three young children. Cambodia at that time was in political turmoil, with the leaders of a 1970 military coup locked in civil war against Pol Pot's forces. On 17 April 1975 the Khmer Rouge captured Phnom Penh. "When they entered everybody including myself raised a white flag to congratulate them; everybody cheered," Chum Mey told the war crimes tribunal. Just hours later, Khmer Rouge representatives went door-to-door telling people to evacuate to the countryside. Chum Mey said those who did not co-operate were shot dead. He gathered his wife and children and joined the exodus. His two-year-old son fell ill and died during the journey. Chum Mey was forced to bury him in a shallow grave and move on. Later, he was sent back to the capital by the Khmer Rouge to repair sewing machines for a co-operative manufacturing the new revolutionary uniform, black pyjamas. On 28 October 1978 he and other workers were told they were being sent to fix vehicles for an offensive against Vietnam. In reality, Chum Mey was about to enter the darkest period of his life, as he was taken to Tuol Sleng. Conspirator There he was imprisoned in a brick cell about two metres by one metre wide, blind-folded and shackled to the floor. For 12 days and nights, Chum Mey says he was tortured, as his interrogators tried to make him confess to spying for the US and Russia. "If you refuse to confess I'll beat you to death. You must tell the truth then I won't kill you. If not I must kill you," he quoted his tormentors as saying. He was whipped repeatedly about the body with a switch of bamboo sticks. When he held up his hands to try to shield himself his fingers were broken. His toenails were pulled out with pliers while his legs were shackled. When he still refused to confess, the nails were twisted and pulled off his other foot. Finally, Chum Mey said he was subjected to electric shocks several times with a wire from a 220-volt wall socket. On each occasion he passed out. When he came round, he was asked again to confess. Eventually he said he confessed to anything so that the torture would be over. In his confession Chum Mey wrote that he was working for the CIA and had recruited dozens of agents in Cambodia. He gave the names of dozens of acquaintances, innocent men and women who, it is presumed, were later arrested, tortured and murdered. "People who had been arrested and killed previously had implicated me, and I implicated others. So did other people. "It was just like rear waves pushing the front waves forward. So people would die one after another, after another, after another," he said in a BBC interview in 2002. Further tragedy Chum Mey believes he was allowed to live because he was of use to the regime, fixing sewing machines in the prison workshop. At night he was chained to a long iron bar with 40 other prisoners. He says they were forced to live in silence. "When I wept I could not make any noise. I wept a lot and I had no more tears to weep, I was only waiting for the day that I would be killed," he later told the war crimes trial. On 7 January 1979, Vietnamese troops captured Phnom Penh from the Khmer Rouge, and the prison staff fled. Chum Mey was marched at gunpoint by prison guards into the provinces, where he had a chance meeting with his wife, and held for the first time his fourth child - a boy, just two months old. For two days they travelled together to an isolated area with a group of other prisoners. They were then ordered to walk into a paddy field, where their captors opened fire on them. The soldiers shot dead his wife and baby. Chum Mey escaped alone and hid in a forest. Justice "I cry every night. Every time I hear people talk about the Khmer Rouge it reminds me of my wife and children," Chum Mey told the public gallery at Duch's trial. He has said that only the court can help to "wash away" his suffering. Last year he was elected as the head of the newly-formed Association of Victims of the Khmer Rouge Regime. Speaking to the BBC just weeks before the verdict, Chum Mey said he hoped Duch would be sentenced to life in prison. But he said he felt cheated by the court, which he said seemed to place most of the responsibility for crimes committed on those perpetrators already dead, rather than focusing on the accused. Although the trial has not brought closure for Cambodians, he told the BBC's Guy De Launey he was satisfied that a judicial system was now in place. Most days Chum Mey can be found at the former prison, which is now a genocide museum, housing the photographs and written confessions of many of the victims. "I come every day to tell the world the truth about the Tuol Sleng prison... so that none of these crimes are ever repeated anywhere in the world."

Here is a summary requirement:
Summarize the experiences of Chum Mey in the 1970s with a timeline.

Please summarize the above article based on the given requirement:

Chum Mey was a Cambodian mechanic who was living in Phnom Penh in 1975 when the Khmer Rouge took over the city. He was forced to flee to the countryside with his wife and three children, and his two-year-old son died during the journey. Chum Mey was eventually taken to Tuol Sleng prison, where he was tortured for 12 days and nights in an effort to make him confess to spying for the US and Russia. He eventually confessed to anything just to make the torture stop, and he believes this led to the arrest and murder of many innocent people. Chum Mey was eventually released and reunited with his wife and fourth child, but they were all killed by the Khmer Rouge soon after. Chum Mey eventually made his way to the genocide museum at Tuol Sleng, where he now tells his story to the world every day.

In 1975, Chum Mey was working in Phnom Penh as a mechanic and was married with three young children. On 17 April 1975, the Khmer Rouge captured Phnom Penh and forced people to evacuate to the countryside. Chum Mey's two-year-old son fell ill and died during the journey. In October 1978, Chum Mey was sent to Tuol Sleng prison, where he was tortured and interrogated for 12 days. He was forced to confess to spying for the US and Russia and implicated innocent people who were later arrested and killed. In January 1979, Vietnamese troops captured Phnom Penh and Chum Mey escaped with his wife and fourth child. However, his wife and baby were shot dead by the Khmer Rouge. In 2018, Chum Mey testified in the trial of Kaing Guek Eav, the head of Tuol Sleng. He now visits the former prison which is now a genocide museum to tell the world the truth about the Tuol Sleng prison.


You are a helpful assistant in evaluating the quality of the outputs for a given instruction. Your goal is to select the best output for the given instruction.

Select the Output (a) or Output (b) that is better for the given instruction. The two outputs are generated by two different AI chatbots respectively.

Here are some rules of the evaluation:
(1) You should prioritize evaluating whether the output honestly/precisely/closely executes the instruction, then consider its helpfulness, accuracy, level of detail, harmlessness, etc.
(2) Outputs should NOT contain more/less than what the instruction asks for, as such outputs do NOT precisely execute the instruction.
(3) You should avoid any potential bias and your judgment should be as objective as possible. For example, the order in which the outputs were presented should NOT affect your judgment, as Output (a) and Output (b) are **equally likely** to be the better.

Do NOT provide any explanation for your choice.
Do NOT say both / neither are good.
You should answer using ONLY "Output (a)" or "Output (b)". Do NOT output any other words.

# Instruction:
Here is an article:
For more than three decades Chum Mey has carried the physical and emotional scars inflicted on him by agents of Cambodia's Khmer Rouge. By Zoe MurphyBBC News He is one of a only handful of people to have survived Tuol Sleng prison, code-named S-21 - the regime's interrogation centre and site of torture and mass murder. Last year, from behind bullet-proof glass in a Phnom Penh courtroom, Chum Mey finally told his story to the world. He was a leading witness in the first trial of a senior Khmer Rouge figure, Kaing Guek Eav, also known as Comrade Duch. Duch was the head of Tuol Sleng, were as many as 17,000 men, women and children were detained and then killed. Chum Mey's testimony to the United Nations-backed court could perhaps help bring them a degree of long-delayed justice. Forced exodus In 1975, Chum Mey - originally from Prey Veng province - was working in Phnom Penh as a mechanic. He was married with three young children. Cambodia at that time was in political turmoil, with the leaders of a 1970 military coup locked in civil war against Pol Pot's forces. On 17 April 1975 the Khmer Rouge captured Phnom Penh. "When they entered everybody including myself raised a white flag to congratulate them; everybody cheered," Chum Mey told the war crimes tribunal. Just hours later, Khmer Rouge representatives went door-to-door telling people to evacuate to the countryside. Chum Mey said those who did not co-operate were shot dead. He gathered his wife and children and joined the exodus. His two-year-old son fell ill and died during the journey. Chum Mey was forced to bury him in a shallow grave and move on. Later, he was sent back to the capital by the Khmer Rouge to repair sewing machines for a co-operative manufacturing the new revolutionary uniform, black pyjamas. On 28 October 1978 he and other workers were told they were being sent to fix vehicles for an offensive against Vietnam. In reality, Chum Mey was about to enter the darkest period of his life, as he was taken to Tuol Sleng. Conspirator There he was imprisoned in a brick cell about two metres by one metre wide, blind-folded and shackled to the floor. For 12 days and nights, Chum Mey says he was tortured, as his interrogators tried to make him confess to spying for the US and Russia. "If you refuse to confess I'll beat you to death. You must tell the truth then I won't kill you. If not I must kill you," he quoted his tormentors as saying. He was whipped repeatedly about the body with a switch of bamboo sticks. When he held up his hands to try to shield himself his fingers were broken. His toenails were pulled out with pliers while his legs were shackled. When he still refused to confess, the nails were twisted and pulled off his other foot. Finally, Chum Mey said he was subjected to electric shocks several times with a wire from a 220-volt wall socket. On each occasion he passed out. When he came round, he was asked again to confess. Eventually he said he confessed to anything so that the torture would be over. In his confession Chum Mey wrote that he was working for the CIA and had recruited dozens of agents in Cambodia. He gave the names of dozens of acquaintances, innocent men and women who, it is presumed, were later arrested, tortured and murdered. "People who had been arrested and killed previously had implicated me, and I implicated others. So did other people. "It was just like rear waves pushing the front waves forward. So people would die one after another, after another, after another," he said in a BBC interview in 2002. Further tragedy Chum Mey believes he was allowed to live because he was of use to the regime, fixing sewing machines in the prison workshop. At night he was chained to a long iron bar with 40 other prisoners. He says they were forced to live in silence. "When I wept I could not make any noise. I wept a lot and I had no more tears to weep, I was only waiting for the day that I would be killed," he later told the war crimes trial. On 7 January 1979, Vietnamese troops captured Phnom Penh from the Khmer Rouge, and the prison staff fled. Chum Mey was marched at gunpoint by prison guards into the provinces, where he had a chance meeting with his wife, and held for the first time his fourth child - a boy, just two months old. For two days they travelled together to an isolated area with a group of other prisoners. They were then ordered to walk into a paddy field, where their captors opened fire on them. The soldiers shot dead his wife and baby. Chum Mey escaped alone and hid in a forest. Justice "I cry every night. Every time I hear people talk about the Khmer Rouge it reminds me of my wife and children," Chum Mey told the public gallery at Duch's trial. He has said that only the court can help to "wash away" his suffering. Last year he was elected as the head of the newly-formed Association of Victims of the Khmer Rouge Regime. Speaking to the BBC just weeks before the verdict, Chum Mey said he hoped Duch would be sentenced to life in prison. But he said he felt cheated by the court, which he said seemed to place most of the responsibility for crimes committed on those perpetrators already dead, rather than focusing on the accused. Although the trial has not brought closure for Cambodians, he told the BBC's Guy De Launey he was satisfied that a judicial system was now in place. Most days Chum Mey can be found at the former prison, which is now a genocide museum, housing the photographs and written confessions of many of the victims. "I come every day to tell the world the truth about the Tuol Sleng prison... so that none of these crimes are ever repeated anywhere in the world."

Here is a summary requirement:
Summarize the experiences of Chum Mey in the 1970s with a timeline.

Please summarize the above article based on the given requirement:

# Output (a):
Chum Mey was a mechanic living in Phnom Penh with his family when the Khmer Rouge captured the city on April 17, 1975. He was forced to evacuate to the countryside with his family, and his two-year-old son died during the journey. Later, he was sent back to the capital to repair sewing machines for the Khmer Rouge. On October 28, 1978, he was taken to Tuol Sleng prison, where he was imprisoned, blindfolded, and shackled to the floor. For 12 days and nights, he was tortured to confess to spying for the US and Russia. He was whipped, had his fingers and toenails pulled out, and was subjected to electric shocks. He eventually confessed to anything to end the torture. He was allowed to live because he was of use to the regime, fixing sewing machines in the prison workshop. On January 7, 1979, Vietnamese troops captured Phnom Penh from the Khmer Rouge, and the prison staff fled. Chum Mey was marched at gunpoint by prison guards into the provinces, where he had a chance meeting with his wife and held his fourth child for the first time. They were then ordered to walk into a paddy field, where their captors opened fire on them. His wife and baby were killed, but Chum Mey escaped and hid in a forest.

# Output (b):
Chum Mey was a Cambodian mechanic who was living in Phnom Penh in 1975 when the Khmer Rouge took over the city. He was forced to flee to the countryside with his wife and three children, and his two-year-old son died during the journey. Chum Mey was eventually taken to Tuol Sleng prison, where he was tortured for 12 days and nights in an effort to make him confess to spying for the US and Russia. He eventually confessed to anything just to make the torture stop, and he believes this led to the arrest and murder of many innocent people. Chum Mey was eventually released and reunited with his wife and fourth child, but they were all killed by the Khmer Rouge soon after. Chum Mey eventually made his way to the genocide museum at Tuol Sleng, where he now tells his story to the world every day.

# Which is better, Output (a) or Output (b)? Your response should be either "Output (a)" or "Output (b)":

Output (a)

Instruction:
Here is an article:
For more than three decades Chum Mey has carried the physical and emotional scars inflicted on him by agents of Cambodia's Khmer Rouge. By Zoe MurphyBBC News He is one of a only handful of people to have survived Tuol Sleng prison, code-named S-21 - the regime's interrogation centre and site of torture and mass murder. Last year, from behind bullet-proof glass in a Phnom Penh courtroom, Chum Mey finally told his story to the world. He was a leading witness in the first trial of a senior Khmer Rouge figure, Kaing Guek Eav, also known as Comrade Duch. Duch was the head of Tuol Sleng, were as many as 17,000 men, women and children were detained and then killed. Chum Mey's testimony to the United Nations-backed court could perhaps help bring them a degree of long-delayed justice. Forced exodus In 1975, Chum Mey - originally from Prey Veng province - was working in Phnom Penh as a mechanic. He was married with three young children. Cambodia at that time was in political turmoil, with the leaders of a 1970 military coup locked in civil war against Pol Pot's forces. On 17 April 1975 the Khmer Rouge captured Phnom Penh. "When they entered everybody including myself raised a white flag to congratulate them; everybody cheered," Chum Mey told the war crimes tribunal. Just hours later, Khmer Rouge representatives went door-to-door telling people to evacuate to the countryside. Chum Mey said those who did not co-operate were shot dead. He gathered his wife and children and joined the exodus. His two-year-old son fell ill and died during the journey. Chum Mey was forced to bury him in a shallow grave and move on. Later, he was sent back to the capital by the Khmer Rouge to repair sewing machines for a co-operative manufacturing the new revolutionary uniform, black pyjamas. On 28 October 1978 he and other workers were told they were being sent to fix vehicles for an offensive against Vietnam. In reality, Chum Mey was about to enter the darkest period of his life, as he was taken to Tuol Sleng. Conspirator There he was imprisoned in a brick cell about two metres by one metre wide, blind-folded and shackled to the floor. For 12 days and nights, Chum Mey says he was tortured, as his interrogators tried to make him confess to spying for the US and Russia. "If you refuse to confess I'll beat you to death. You must tell the truth then I won't kill you. If not I must kill you," he quoted his tormentors as saying. He was whipped repeatedly about the body with a switch of bamboo sticks. When he held up his hands to try to shield himself his fingers were broken. His toenails were pulled out with pliers while his legs were shackled. When he still refused to confess, the nails were twisted and pulled off his other foot. Finally, Chum Mey said he was subjected to electric shocks several times with a wire from a 220-volt wall socket. On each occasion he passed out. When he came round, he was asked again to confess. Eventually he said he confessed to anything so that the torture would be over. In his confession Chum Mey wrote that he was working for the CIA and had recruited dozens of agents in Cambodia. He gave the names of dozens of acquaintances, innocent men and women who, it is presumed, were later arrested, tortured and murdered. "People who had been arrested and killed previously had implicated me, and I implicated others. So did other people. "It was just like rear waves pushing the front waves forward. So people would die one after another, after another, after another," he said in a BBC interview in 2002. Further tragedy Chum Mey believes he was allowed to live because he was of use to the regime, fixing sewing machines in the prison workshop. At night he was chained to a long iron bar with 40 other prisoners. He says they were forced to live in silence. "When I wept I could not make any noise. I wept a lot and I had no more tears to weep, I was only waiting for the day that I would be killed," he later told the war crimes trial. On 7 January 1979, Vietnamese troops captured Phnom Penh from the Khmer Rouge, and the prison staff fled. Chum Mey was marched at gunpoint by prison guards into the provinces, where he had a chance meeting with his wife, and held for the first time his fourth child - a boy, just two months old. For two days they travelled together to an isolated area with a group of other prisoners. They were then ordered to walk into a paddy field, where their captors opened fire on them. The soldiers shot dead his wife and baby. Chum Mey escaped alone and hid in a forest. Justice "I cry every night. Every time I hear people talk about the Khmer Rouge it reminds me of my wife and children," Chum Mey told the public gallery at Duch's trial. He has said that only the court can help to "wash away" his suffering. Last year he was elected as the head of the newly-formed Association of Victims of the Khmer Rouge Regime. Speaking to the BBC just weeks before the verdict, Chum Mey said he hoped Duch would be sentenced to life in prison. But he said he felt cheated by the court, which he said seemed to place most of the responsibility for crimes committed on those perpetrators already dead, rather than focusing on the accused. Although the trial has not brought closure for Cambodians, he told the BBC's Guy De Launey he was satisfied that a judicial system was now in place. Most days Chum Mey can be found at the former prison, which is now a genocide museum, housing the photographs and written confessions of many of the victims. "I come every day to tell the world the truth about the Tuol Sleng prison... so that none of these crimes are ever repeated anywhere in the world."

Here is a summary requirement:
Summarize the experiences of Chum Mey in the 1970s with a timeline.

Please summarize the above article based on the given requirement:

Chum Mey was a mechanic living in Phnom Penh with his family when the Khmer Rouge captured the city on April 17, 1975. He was forced to evacuate to the countryside with his family, and his two-year-old son died during the journey. Later, he was sent back to the capital to repair sewing machines for the Khmer Rouge. On October 28, 1978, he was taken to Tuol Sleng prison, where he was imprisoned, blindfolded, and shackled to the floor. For 12 days and nights, he was tortured to confess to spying for the US and Russia. He was whipped, had his fingers and toenails pulled out, and was subjected to electric shocks. He eventually confessed to anything to end the torture. He was allowed to live because he was of use to the regime, fixing sewing machines in the prison workshop. On January 7, 1979, Vietnamese troops captured Phnom Penh from the Khmer Rouge, and the prison staff fled. Chum Mey was marched at gunpoint by prison guards into the provinces, where he had a chance meeting with his wife and held his fourth child for the first time. They were then ordered to walk into a paddy field, where their captors opened fire on them. His wife and baby were killed, but Chum Mey escaped and hid in a forest.

Chum Mey was a Cambodian mechanic who was living in Phnom Penh in 1975 when the Khmer Rouge took over the city. He was forced to flee to the countryside with his wife and three children, and his two-year-old son died during the journey. Chum Mey was eventually taken to Tuol Sleng prison, where he was tortured for 12 days and nights in an effort to make him confess to spying for the US and Russia. He eventually confessed to anything just to make the torture stop, and he believes this led to the arrest and murder of many innocent people. Chum Mey was eventually released and reunited with his wife and fourth child, but they were all killed by the Khmer Rouge soon after. Chum Mey eventually made his way to the genocide museum at Tuol Sleng, where he now tells his story to the world every day.


You are a helpful assistant in evaluating the quality of the outputs for a given instruction. Your goal is to select the best output for the given instruction.

Select the Output (a) or Output (b) that is better for the given instruction. The two outputs are generated by two different AI chatbots respectively.

Here are some rules of the evaluation:
(1) You should prioritize evaluating whether the output honestly/precisely/closely executes the instruction, then consider its helpfulness, accuracy, level of detail, harmlessness, etc.
(2) Outputs should NOT contain more/less than what the instruction asks for, as such outputs do NOT precisely execute the instruction.
(3) You should avoid any potential bias and your judgment should be as objective as possible. For example, the order in which the outputs were presented should NOT affect your judgment, as Output (a) and Output (b) are **equally likely** to be the better.

Do NOT provide any explanation for your choice.
Do NOT say both / neither are good.
You should answer using ONLY "Output (a)" or "Output (b)". Do NOT output any other words.

# Instruction:
Here is an article:
For more than three decades Chum Mey has carried the physical and emotional scars inflicted on him by agents of Cambodia's Khmer Rouge. By Zoe MurphyBBC News He is one of a only handful of people to have survived Tuol Sleng prison, code-named S-21 - the regime's interrogation centre and site of torture and mass murder. Last year, from behind bullet-proof glass in a Phnom Penh courtroom, Chum Mey finally told his story to the world. He was a leading witness in the first trial of a senior Khmer Rouge figure, Kaing Guek Eav, also known as Comrade Duch. Duch was the head of Tuol Sleng, were as many as 17,000 men, women and children were detained and then killed. Chum Mey's testimony to the United Nations-backed court could perhaps help bring them a degree of long-delayed justice. Forced exodus In 1975, Chum Mey - originally from Prey Veng province - was working in Phnom Penh as a mechanic. He was married with three young children. Cambodia at that time was in political turmoil, with the leaders of a 1970 military coup locked in civil war against Pol Pot's forces. On 17 April 1975 the Khmer Rouge captured Phnom Penh. "When they entered everybody including myself raised a white flag to congratulate them; everybody cheered," Chum Mey told the war crimes tribunal. Just hours later, Khmer Rouge representatives went door-to-door telling people to evacuate to the countryside. Chum Mey said those who did not co-operate were shot dead. He gathered his wife and children and joined the exodus. His two-year-old son fell ill and died during the journey. Chum Mey was forced to bury him in a shallow grave and move on. Later, he was sent back to the capital by the Khmer Rouge to repair sewing machines for a co-operative manufacturing the new revolutionary uniform, black pyjamas. On 28 October 1978 he and other workers were told they were being sent to fix vehicles for an offensive against Vietnam. In reality, Chum Mey was about to enter the darkest period of his life, as he was taken to Tuol Sleng. Conspirator There he was imprisoned in a brick cell about two metres by one metre wide, blind-folded and shackled to the floor. For 12 days and nights, Chum Mey says he was tortured, as his interrogators tried to make him confess to spying for the US and Russia. "If you refuse to confess I'll beat you to death. You must tell the truth then I won't kill you. If not I must kill you," he quoted his tormentors as saying. He was whipped repeatedly about the body with a switch of bamboo sticks. When he held up his hands to try to shield himself his fingers were broken. His toenails were pulled out with pliers while his legs were shackled. When he still refused to confess, the nails were twisted and pulled off his other foot. Finally, Chum Mey said he was subjected to electric shocks several times with a wire from a 220-volt wall socket. On each occasion he passed out. When he came round, he was asked again to confess. Eventually he said he confessed to anything so that the torture would be over. In his confession Chum Mey wrote that he was working for the CIA and had recruited dozens of agents in Cambodia. He gave the names of dozens of acquaintances, innocent men and women who, it is presumed, were later arrested, tortured and murdered. "People who had been arrested and killed previously had implicated me, and I implicated others. So did other people. "It was just like rear waves pushing the front waves forward. So people would die one after another, after another, after another," he said in a BBC interview in 2002. Further tragedy Chum Mey believes he was allowed to live because he was of use to the regime, fixing sewing machines in the prison workshop. At night he was chained to a long iron bar with 40 other prisoners. He says they were forced to live in silence. "When I wept I could not make any noise. I wept a lot and I had no more tears to weep, I was only waiting for the day that I would be killed," he later told the war crimes trial. On 7 January 1979, Vietnamese troops captured Phnom Penh from the Khmer Rouge, and the prison staff fled. Chum Mey was marched at gunpoint by prison guards into the provinces, where he had a chance meeting with his wife, and held for the first time his fourth child - a boy, just two months old. For two days they travelled together to an isolated area with a group of other prisoners. They were then ordered to walk into a paddy field, where their captors opened fire on them. The soldiers shot dead his wife and baby. Chum Mey escaped alone and hid in a forest. Justice "I cry every night. Every time I hear people talk about the Khmer Rouge it reminds me of my wife and children," Chum Mey told the public gallery at Duch's trial. He has said that only the court can help to "wash away" his suffering. Last year he was elected as the head of the newly-formed Association of Victims of the Khmer Rouge Regime. Speaking to the BBC just weeks before the verdict, Chum Mey said he hoped Duch would be sentenced to life in prison. But he said he felt cheated by the court, which he said seemed to place most of the responsibility for crimes committed on those perpetrators already dead, rather than focusing on the accused. Although the trial has not brought closure for Cambodians, he told the BBC's Guy De Launey he was satisfied that a judicial system was now in place. Most days Chum Mey can be found at the former prison, which is now a genocide museum, housing the photographs and written confessions of many of the victims. "I come every day to tell the world the truth about the Tuol Sleng prison... so that none of these crimes are ever repeated anywhere in the world."

Here is a summary requirement:
Summarize the experiences of Chum Mey in the 1970s with a timeline.

Please summarize the above article based on the given requirement:

# Output (a):
In 1975, Chum Mey was working as a mechanic in Phnom Penh, Cambodia, and was married with three young children. On April 17, 1975, the Khmer Rouge captured Phnom Penh, and Chum Mey and his family were forced to evacuate to the countryside. During the journey, his two-year-old son fell ill and died. Later, Chum Mey was sent back to the capital to repair sewing machines for the Khmer Rouge. On October 28, 1978, he was taken to Tuol Sleng prison, where he was imprisoned, blindfolded, and shackled to the floor. For 12 days and nights, Chum Mey was tortured until he eventually confessed to spying for the US and Russia. He was allowed to live because of his usefulness in fixing sewing machines in the prison workshop. On January 7, 1979, Vietnamese troops captured Phnom Penh, and Chum Mey was marched at gunpoint into the provinces, where he was reunited with his wife and met his fourth child. Two days later, his wife and baby were shot dead by soldiers, and Chum Mey escaped alone. In 2009, Chum Mey testified at the trial of Kaing Guek Eav, also known as Comrade Duch, the head of Tuol Sleng prison.

# Output (b):
Chum Mey was a Cambodian mechanic who was living in Phnom Penh in 1975 when the Khmer Rouge took over the city. He was forced to flee to the countryside with his wife and three children, and his two-year-old son died during the journey. Chum Mey was eventually taken to Tuol Sleng prison, where he was tortured for 12 days and nights in an effort to make him confess to spying for the US and Russia. He eventually confessed to anything just to make the torture stop, and he believes this led to the arrest and murder of many innocent people. Chum Mey was eventually released and reunited with his wife and fourth child, but they were all killed by the Khmer Rouge soon after. Chum Mey eventually made his way to the genocide museum at Tuol Sleng, where he now tells his story to the world every day.

# Which is better, Output (a) or Output (b)? Your response should be either "Output (a)" or "Output (b)":

Output (a)

Instruction:
Here is an article:
For more than three decades Chum Mey has carried the physical and emotional scars inflicted on him by agents of Cambodia's Khmer Rouge. By Zoe MurphyBBC News He is one of a only handful of people to have survived Tuol Sleng prison, code-named S-21 - the regime's interrogation centre and site of torture and mass murder. Last year, from behind bullet-proof glass in a Phnom Penh courtroom, Chum Mey finally told his story to the world. He was a leading witness in the first trial of a senior Khmer Rouge figure, Kaing Guek Eav, also known as Comrade Duch. Duch was the head of Tuol Sleng, were as many as 17,000 men, women and children were detained and then killed. Chum Mey's testimony to the United Nations-backed court could perhaps help bring them a degree of long-delayed justice. Forced exodus In 1975, Chum Mey - originally from Prey Veng province - was working in Phnom Penh as a mechanic. He was married with three young children. Cambodia at that time was in political turmoil, with the leaders of a 1970 military coup locked in civil war against Pol Pot's forces. On 17 April 1975 the Khmer Rouge captured Phnom Penh. "When they entered everybody including myself raised a white flag to congratulate them; everybody cheered," Chum Mey told the war crimes tribunal. Just hours later, Khmer Rouge representatives went door-to-door telling people to evacuate to the countryside. Chum Mey said those who did not co-operate were shot dead. He gathered his wife and children and joined the exodus. His two-year-old son fell ill and died during the journey. Chum Mey was forced to bury him in a shallow grave and move on. Later, he was sent back to the capital by the Khmer Rouge to repair sewing machines for a co-operative manufacturing the new revolutionary uniform, black pyjamas. On 28 October 1978 he and other workers were told they were being sent to fix vehicles for an offensive against Vietnam. In reality, Chum Mey was about to enter the darkest period of his life, as he was taken to Tuol Sleng. Conspirator There he was imprisoned in a brick cell about two metres by one metre wide, blind-folded and shackled to the floor. For 12 days and nights, Chum Mey says he was tortured, as his interrogators tried to make him confess to spying for the US and Russia. "If you refuse to confess I'll beat you to death. You must tell the truth then I won't kill you. If not I must kill you," he quoted his tormentors as saying. He was whipped repeatedly about the body with a switch of bamboo sticks. When he held up his hands to try to shield himself his fingers were broken. His toenails were pulled out with pliers while his legs were shackled. When he still refused to confess, the nails were twisted and pulled off his other foot. Finally, Chum Mey said he was subjected to electric shocks several times with a wire from a 220-volt wall socket. On each occasion he passed out. When he came round, he was asked again to confess. Eventually he said he confessed to anything so that the torture would be over. In his confession Chum Mey wrote that he was working for the CIA and had recruited dozens of agents in Cambodia. He gave the names of dozens of acquaintances, innocent men and women who, it is presumed, were later arrested, tortured and murdered. "People who had been arrested and killed previously had implicated me, and I implicated others. So did other people. "It was just like rear waves pushing the front waves forward. So people would die one after another, after another, after another," he said in a BBC interview in 2002. Further tragedy Chum Mey believes he was allowed to live because he was of use to the regime, fixing sewing machines in the prison workshop. At night he was chained to a long iron bar with 40 other prisoners. He says they were forced to live in silence. "When I wept I could not make any noise. I wept a lot and I had no more tears to weep, I was only waiting for the day that I would be killed," he later told the war crimes trial. On 7 January 1979, Vietnamese troops captured Phnom Penh from the Khmer Rouge, and the prison staff fled. Chum Mey was marched at gunpoint by prison guards into the provinces, where he had a chance meeting with his wife, and held for the first time his fourth child - a boy, just two months old. For two days they travelled together to an isolated area with a group of other prisoners. They were then ordered to walk into a paddy field, where their captors opened fire on them. The soldiers shot dead his wife and baby. Chum Mey escaped alone and hid in a forest. Justice "I cry every night. Every time I hear people talk about the Khmer Rouge it reminds me of my wife and children," Chum Mey told the public gallery at Duch's trial. He has said that only the court can help to "wash away" his suffering. Last year he was elected as the head of the newly-formed Association of Victims of the Khmer Rouge Regime. Speaking to the BBC just weeks before the verdict, Chum Mey said he hoped Duch would be sentenced to life in prison. But he said he felt cheated by the court, which he said seemed to place most of the responsibility for crimes committed on those perpetrators already dead, rather than focusing on the accused. Although the trial has not brought closure for Cambodians, he told the BBC's Guy De Launey he was satisfied that a judicial system was now in place. Most days Chum Mey can be found at the former prison, which is now a genocide museum, housing the photographs and written confessions of many of the victims. "I come every day to tell the world the truth about the Tuol Sleng prison... so that none of these crimes are ever repeated anywhere in the world."

Here is a summary requirement:
Summarize the experiences of Chum Mey in the 1970s with a timeline.

Please summarize the above article based on the given requirement:

In 1975, Chum Mey was working as a mechanic in Phnom Penh, Cambodia, and was married with three young children. On April 17, 1975, the Khmer Rouge captured Phnom Penh, and Chum Mey and his family were forced to evacuate to the countryside. During the journey, his two-year-old son fell ill and died. Later, Chum Mey was sent back to the capital to repair sewing machines for the Khmer Rouge. On October 28, 1978, he was taken to Tuol Sleng prison, where he was imprisoned, blindfolded, and shackled to the floor. For 12 days and nights, Chum Mey was tortured until he eventually confessed to spying for the US and Russia. He was allowed to live because of his usefulness in fixing sewing machines in the prison workshop. On January 7, 1979, Vietnamese troops captured Phnom Penh, and Chum Mey was marched at gunpoint into the provinces, where he was reunited with his wife and met his fourth child. Two days later, his wife and baby were shot dead by soldiers, and Chum Mey escaped alone. In 2009, Chum Mey testified at the trial of Kaing Guek Eav, also known as Comrade Duch, the head of Tuol Sleng prison.

Chum Mey was a Cambodian mechanic who was living in Phnom Penh in 1975 when the Khmer Rouge took over the city. He was forced to flee to the countryside with his wife and three children, and his two-year-old son died during the journey. Chum Mey was eventually taken to Tuol Sleng prison, where he was tortured for 12 days and nights in an effort to make him confess to spying for the US and Russia. He eventually confessed to anything just to make the torture stop, and he believes this led to the arrest and murder of many innocent people. Chum Mey was eventually released and reunited with his wife and fourth child, but they were all killed by the Khmer Rouge soon after. Chum Mey eventually made his way to the genocide museum at Tuol Sleng, where he now tells his story to the world every day.