chat_history: ['We had a birthday party for my son the other day!', 'Aw, yay!  How old is he?', "He's 6. It was so much fun to watch him open his presents."]
sys_response: I love that age!  My niece just turned six and she seems so grown up!
situation: The other day was my sons birthday party! It was so much fun watching him open all his presents.