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: Yesterday, I had a really bad headache. Sentence2: I tried many things to get it to go away, but it only got worse. Sentence3: Finally, I took a nap in the hopes that it would help. Sentence4: I fell asleep quickly.

When I awoke, my headache was gone.