chat_history: ['My best friend has won those Taco Bell Playstation 4 giveaways twice so far.  I wish I could be that lucky sometimes.']
sys_response: Dang, and here I thought I was lucky winning a free soft drink in that contest. Maybe we have to pool our efforts together and try to win us something big?
situation: My best friend has won those Taco Bell Playstation 4 giveaways twice so far.  I wish I could have his luck sometimes.