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: Lucy was in the kitchen with her grandma. Sentence2: Her grandma allowed her to have a piece of cake. Sentence3: Lucy picked up a butter knife to cut the cake. Sentence4: Her grandma snatched the knife afraid Lucy would cut herself.

Lucy was shocked since her mother allowed her to use a steak knife.