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: It had been raining for 2 days straight. Sentence2: The sky finally turned blue. Sentence3: When I looked up there was a rainbow. Sentence4: It stretched for miles across the town.

It was a beautiful sight after a rainy day.