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: Jason had always admired the fast movements of boxers he saw on TV. Sentence2: He started training to become a boxer in his spare time. Sentence3: He practiced jabs and jumped rope for hours each day. Sentence4: Finally he was a great boxer.

He won his first fight by knockout.