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: Arthur and his friends were hanging out. Sentence2: They were drinking beers and talking. Sentence3: All of a sudden the beer ran out. Sentence4: Arthur didn't want to take the last one.

Arthur ordered another round for his friends.