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: Anna could not swim. Sentence2: She decided it was time to learn. Sentence3: She signed up for a class at the pool. Sentence4: She began by learning slow, easy strokes.

Soon she was swimming quickly and expertly!