prompt: 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!
utterance: I don't know if he was famous_comma_ but the other day_comma_ he got on stage_comma_ bit the head off of a bat_comma_ then belted the words to Crazy Train. It was unbelievable!