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: Mister Smith's students would not stop talking. Sentence2: So Mister Smith decided he was going to give them a pop quiz. Sentence3: He told the class to each pull out a piece of notebook paper. Sentence4: He read the questions out loud as they scribbled down their answers.

He then collected the papers to grade that night.