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: I was expecting a package all day. Sentence2: I waited for hours, but the package never arrived. Sentence3: I called the post office and they said they had my package. Sentence4: I drove over to the post office as fast as I could.

When I arrived, they gave me my package and then I left.