chat_history: ['My son graduated pre-school.  It isnt much but its that next step in his school career.', 'That is wonderful! You must be happy, shows that he is getting bigger, soon it will be college', 'Haha, I hope not too soon!  I was really happy, he is growing pretty fast!']
sys_response: College is when the tear will start to flow. I love children.
situation: My son graduated pre-school.  I know it isnt much but its the first step in his life...or at least school career.