chat_history: ['My grandma sent me a birthday card in the mail! She is such a sweet lady.', 'I wish I had a grandma.. did she send you anything extra?', 'I can understand that. She is the only grandparent that I have left. She only sent a card, but she is living on a fixed income.']
sys_response: That is still really sweet.  I never knew any of mine.  Treasure her while you can!
situation: My grandma sent me a birthday card in the mail! She is such a sweet lady.