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: Four Outlaws camped in Blood Gulch. Sentence2: They thought that they were safe, so they let their guard down. Sentence3: The sheriff was hot on their trail. Sentence4: He found them them early in the morning while they still slept.

He arrested them.