chat_history: ['i was really sad when my dog died last year', 'That is hard thing to go through. I hope you are feeling better about it now.', 'yeah i have been over it for sometime now but it is till hard to talk about']
sys_response: I bet. Losing a pet is much like losing a loved one. It gets better but still hurts sometime.
situation: i was really sad when my dog died last year, my i am over it now