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: Doug was sad to be sick on Halloween. Sentence2: He wasn't allowed to go to school, or go trick or treating. Sentence3: He sat in the window of his room and watched all the kids in costume. Sentence4: When the doorbell rang Doug was expecting trick or treaters.

He was happy to see his friend Dan came to share his candy with Doug.