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: Sean was playing with his guitar one night. Sentence2: Suddenly, he heard a sharp knock at the door. Sentence3: He quickly stopped making any noise. Sentence4: Then, he waited for quite awhile.

No one knocked again but he was certain that it was a noise complaint.