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: Charlie wanted to be a police officer in Hawaii. Sentence2: He passed his tests and was hired in Honolulu. Sentence3: Charlie liked interacting with the community. Sentence4: Charlie didn't like the amount of corruption in the force.

Charlie vowed to change things if he was ever made chief.