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: Roy was driving home from work one day. Sentence2: There was a keyboard on the side of the road. Sentence3: Roy stopped and picked it up. Sentence4: He brought it home and turned it on.

Every key worked except for one.