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: Don was at a restaurant when he discovered he did not bring his wallet Sentence2: He had already eaten his food. Sentence3: The waiter said he could not leave without paying. Sentence4: Don offered to help in the kitchen to pay for his food.

He had to work for hours to pay for his meal before he could go home.