chat_history: ['I just got back from my graduation! can you imagine after 5 years i graduated with the highest score of my college in the past 20 years!', 'Wow that is a long time ago.', 'Yes! i studied so hard, can you imagine how i feel? i cannot believe it!']
sys_response: Yes, where did you go to college?
situation: I gratuated from college with the highest score in the past 20 years