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 opened the door to search for the mail. Sentence2: The paperboy was riding his bike across my street. Sentence3: He decided to look at me. Sentence4: At the same time, he threw a newspaper on the ground.

I thanked him afterwards.