chat_history: ["I took my dog to the vet yesterday... it turns out that he's really sick.", "Aww, I'm sorry.  Is he going to be ok?", "It's not looking too good. I really hope he pulls through."]
sys_response: I do too.  That's one of the saddest things.  I hope you'll be OK too.
situation: My dog is really sick. I don't know if he's going to make it.