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: Robin wanted to go to sleep. She was exhausted from her cold. But as she lay in bed she couldn't fall asleep. When she did finally fall asleep she, kept waking up. She was in bed 9 hours and only slept 3 of them.
 selected sentence: She was in bed 9 hours and only slept 3 of them.

Robin has a cold >Causes/Enables> Robin has trouble sleeping