chat_history: ['I won a pair of tickets to go to Rockfest this summer.', 'wow thats awesome.  How did you win them? I never win anything cool.', 'I won them by sharing and liking a facebook page! Unfortunately, none of my friends could go and so I ended up staying home instead.']
sys_response: aww that stinks, i hope you were at least able to sell them and make some money
situation: I won a pair of tickets to go to Rockfest this summer. Unfortunately, none of my friends could go and so I ended up staying home instead.