chat_history: ['I have been trying to lose weight in a group and while i made it to 4 lbs, my friends made it to 15. :(', 'How did they lose so much weight compared to you?', 'i guess they worked harder but']
sys_response: Maybe it has something to do with your diet ?
situation: I have been trying to lose weight in a group and while i made it to 4 lbs, my friends made it to 15. :(