chat_history: ["My sister is having another baby! I can't wait to meet her! This will be her fourth child.", 'Oh wow! Congrats!! How exciting!! How far along is she?', 'Only one more month to go. She is about the explode though! Glad it is her and not me, lol.']
sys_response: LOL Right!!! It's way too hot to be pregnant right now!
situation: My sister is having another baby! I can't wait to meet her! This will be her fourth child.