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's neighbors were making too much noise. Sentence2: He needed to sleep for work in the morning. Sentence3: Charlie's phone calls went unanswered. Sentence4: Charlie went over to air his grievances.

Charlie was finally able to get his sleep.