chat_history: ['My dog just had a baby and I did not even know she was pregnant! What!!', "A puppy!  That's so exciting!  Are you going to keep it?", 'I am not sure yet. I already have 4 dogs. I want to because he is so cute!']
sys_response: I don't know that I would be able to give it up.  4 is a lot, but what's one more?
situation: My dog just had a baby and I did not even know she was pregnant! What!!