chat_history: ['Last week at work, my coworkers threw me a 20th anniversary party at our company office.', 'Oh Wow! 20 years at your job! You must be well liked there.', 'I like to think I am. I had no idea this was going to happen.']
sys_response: It must have been a wonderful surprise for you.
situation: My coworkers threw me a 20th anniversary party at work last week. I had no idea it was going to happen.