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: Hank ate lots of chocolate one night. Sentence2: But he neglected brushing his teeth. Sentence3: The next morning, he had an awful taste in his mouth. Sentence4: Hank then went to brush his teeth.

But his gums started to bleed.