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: I handed my gift to my sister. Sentence2: She quickly opened it to see what's inside. Sentence3: The gift was something that she requested for weeks. Sentence4: However, she had a mean grin since she changed her mind about it.

I took the gift back and walked away.