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: Ben took his ATV to the beach. Sentence2: He powered it up. Sentence3: Then he began riding. Sentence4: He coasted over the sand dunes.

He had a great time riding his ATV!