sentence: Suddenly , a giant fish fell from the sky , causing him to spit out the hairball . Jack could not believe what he saw . The man riding the fish was Bugs Bunny !
modified: Suddenly , a giant fish fell from the sky , causing him spit out the hairball , Jack could not believe what he saw , the man riding the fish was Bugs Bunny !
transformation: VERB:FORM, PUNCT, PUNCT