chat_history: ["I've got a big test coming up and I'm so worried!", "Don't be. i think you will ace it.", "I hope so. I usually do better than I expect to, but that still doesn't make it any less scary."]
sys_response: exam's are always scary. we just need to take the mind out of it
situation: I have a very hard time taking tests. When I know I have an important exam coming up, I worry for weeks in advance.