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: Joe had a weight problem. Sentence2: It was caused by his addiction to chocolate. Sentence3: He couldn't resist chocolate cake or candy. Sentence4: He finally found a solution to his problem.

He bought chocolate-flavored protein powder.