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: Carol was nervous about her surgery. Sentence2: She prepared by not eating anything. Sentence3: When the day of the surgery arrived she was put under by anesthesia. Sentence4: While the doctors worked, she stayed fast asleep.

By the time she woke up, the surgery was over.