chat_history: ['I got a surprise gift in the mail yesterday.', 'Wow! What was it?', "A gorgeous vase. It's so pretty. I have no idea who sent it."]
sys_response: I'd like to see this vase. Do you like flowers?
situation: I got a great gift in the mail yesterday. Someone sent me a pretty vase that I think is gorgeous. There was no note or return address so I don't know who it was from.