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: Jane was standing behind several people by the lunch line. Sentence2: She was threatened to purchase a juice pouch. Sentence3: As soon as she got out of the line, the person snatched the juice. Sentence4: I called the security guard.

After he understood the situation, he gave the bully detention.