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: My nephew is a professional chef. Sentence2: While cooking for us at our house he decided to show off a bit. Sentence3: We videoed as he sliced an onion behind his back. Sentence4: We were amazed how quickly he chopped and didn't get cut.

He is a fantastic chef.