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: Sarah went with her friends to the water park. Sentence2: They paid for their tickets and got into their swimsuits. Sentence3: They waited in line for the biggest slide. Sentence4: They went down the slide and had a lot of fun.

They went back the next day.