chat_history: ['I have done all my paper work for my exam tomorrow, now i can relax until tomorrow.', "That's amazing. It's good to give your head a rest so that you will recall all the items easily when you are at the exam center", 'Thanks, I think I have learnt everything because redid each past exam paper 10 times.']
sys_response: I wish you all the best in the Exam
situation: I have done all my paper work for my exam tomorrow, now i can relax until tomorrow.