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: Sam was taking his son fishing. Sentence2: They went out early in the morning. Sentence3: They got into a rowboat. Sentence4: Then, they paddled out to the middle of a lake.

They spent the whole day fishing.