chat_history: ['When i lost my dog of 12 years i was devastated...', 'I know how you feel! Our dog of 8 years past away last week spring. It can be so hard', 'It is a horrible experience and i hope that i never have to go through it again, how did yours die?']
sys_response: Same here. We don't know. He was perfectly fine the night before. We woke up to find him passed away at the foot of our bed. Do you know how yours passed?
situation: When i lost my dog of 12 years i was absolutely devastated.