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: Bobby folded his fruit roll-up into the shape of an airplane. Sentence2: He wound up his arm and threw roll-up airplane as hard as he could. Sentence3: It was far too heavy, though, and fell like a brick. Sentence4: Bobby decided that planes should be made out of paper.

Bobby was five years old.