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: During the war, Dave was ordered to stop an enemy train. Sentence2: He strung a set of chains across the tracks and waited. Sentence3: The train came rushing at the chains. Sentence4: Dave watched as the train broke through all the chains.

Dave was sad that his plan did not work.