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: Everyone knew Sam was forgetful. Sentence2: So they were worried about him being in the school play. Sentence3: Sam practiced his lines and reviewed his steps. Sentence4: But before the day of the play, everyone still had doubts.

When the play began the next day, nobody could find Sam.