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 Smith family went to a buffet. Sentence2: The children ate three plates of food each. Sentence3: The Smith parents ate four plates of food each. Sentence4: Everyone left their plates for the waitress to clean up.

They drove away happy and full.