chat_history: ['My grandpa always said he was a rockstar back in his day, but I never believed him.']
sys_response: Why don't you believe him? He made have been quite the big name back in his day.
situation: I never believed my grandpa was a rockstar until he jumped onto the stage and bit the head off of a bat. Then he belted the words to 'Crazy Train' and jumped out into the audience! Wow!