chat_history: ['I took a big end of the semester exam it had 200 questions I was so nervous.', 'How did you do?', 'I was so stun to see I only missed 7 out of 200 I was so happy to have aced my test.']
sys_response: Oh wow! Congrats! That's great!
situation: I passed my midterm exam it had 200 questions and I only missed 7 I was so stun.