chat_history: ["Got on the scale today. I've only been on a diet 2 weeks and I'm down 17 pounds.", 'That is great news. Have you also been working out?', 'Not really. I average 10 miles a day walking at work but did that when I was fat as well. I cut out all processed foods and drinks.']
sys_response: Has it been easy or hard to do that?
situation: Got on the scale today. I've only been on a diet 2 weeks and I'm down 17 pounds.