chat_history: ['I was pleasantly shocked the other day when I won on a lottery ticket! I hardly ever win and I won $200!', 'What did you do with the money/', 'I just tucked it back for a rainy day. But, I may splurge with it this weekend, since it was unexpected.']
sys_response: That is smart. How often do you play the lottery/
situation: I recently won on a lottery ticket! I never win, so it was a pleasant shock.