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: The high school student went to the dentist. Sentence2: She was told she needed braces again. Sentence3: She was not happy. Sentence4: She got braces and was in a lot of pain.

But it was worth it when she saw her straightened teeth.