Definition: In this task, you're given a four sentences of story written in natural language. Your job is to complete end part of the story by predicting appropriate last sentence which is coherent with the given sentences.
Input: Sentence1: Officer Dunn didn't want to hurt anyone during the protest. Sentence2: He told several people to leave but they didn't. Sentence3: He unleashed his police dog. Sentence4: The dog bit a mother and her baby.

Officer Dunn was shocked about what his dog had done.