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: Rob wanted a toy he saw on a commercial. Sentence2: The toy only came in a box of cereal. Sentence3: He convinced his mother to buy the cereal. Sentence4: The box stated there were 6 toys in total.

Rob ate the same cereal for a month to collect the 6 toys.