Definition: In this task, you will be given a short story. One sentence from the story is chosen. Consider the events that happen before that sentence, or are likely to have happened before it. Does any of them directly cause it, or simply make it possible? You should write your answer in the form " A >causes/enables> B". Try to use phrases and sentences from the story to compose your answer when possible.
Input: story: Hallie woke up. She was not feeling well. She got mad when she had to miss school. Hallie went back to sleep. When she woke up she felt much better.
 selected sentence: Hallie woke up.

Hallie goes to sleep >Causes/Enables> Hallie wakes up