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: John went to bed on a sunny day. Sentence2: Overnight a huge snow storm rolled in. Sentence3: He was awoken by the crazy sounds. Sentence4: By morning everything was blanketed in snow.

John was amazed at how fast things could change.