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: Michelle had a big test on Friday. Sentence2: She thought she studied hard all week for it. Sentence3: Her and a friend got together the night before to cram. Sentence4: Michelle was shocked to find out she had studied the wrong book.

They both laughed for a while and crammed extra hard.