chat_history: ['My dog died last year.', 'Aw, I am so sorry. How long did you have your dog for?', 'About 5 years. He was a rescue.', 'They say dogs are mans best friend.', "That's true. He was definitely mine.", 'What kind of dog was he?', 'He was a pit and lab mix.']
sys_response: Nice, I have an australian shepherd. He follows me around everywhere.
situation: My dog died last year.