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: Ray went to a friend's house for a sleepover. Sentence2: He realized that he'd forgotten his toothbrush. Sentence3: He was unable to brush his teeth! Sentence4: Ray tried to use toothpaste on his finger, but it was no use.

Finally, Ray  asked his friend if he had a spare toothbrush.