sentence: Jack was arguing with an officer about the Mexico conquest ( the officer did n't understand anything because Jack was drunk ) , and suddenly , the officer took off his costume and a strange mask , and at that moment … Jack was astonished because the officer was not an officer , he was Brad !
modified: Jack , was arguing with an officer about Mexico conquest ( the officer did n't understand anything because Jack was drunk ) , and suddenly , the officer took off his costume and a strange mask , and in that moment … Jack was astonished because the officer was not an officer , he was Brad !
transformation: PUNCT, DET, PREP