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: Bill has three cats. Sentence2: When he first got them, they were a real pain. Sentence3: He spent hours making sure that they didn't wreck his home. Sentence4: Eventually, he got them to behave.

Now his cats are very placid.