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: An elementary school planned to have an earthquake drill after lunch. Sentence2: When the drill began, students and teachers were given instructions. Sentence3: They got underneath desks until they were told to leave. Sentence4: A real earthquake began during the drill.

But everyone was relieved that they were safe.