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: One morning I left early for work. Sentence2: I turned on the water sprinkler to give the grass a good drink. Sentence3: The mailman delivered our mail in the box by the street. Sentence4: When I got home I went out to see what he had delivered.

Much to my surprise the box had a leak and all the mail was wet!