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: Lucas volunteered to do a fundraising campaign. Sentence2: He took several kids around the neighborhood to sell chocolate. Sentence3: Since he was shy, only a few customers bought them. Sentence4: The children were complaining about not selling enough candy.

They had to return most of the candy.