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: Amy was tired and ready to sleep as she boarded her 5AM flight. She sat in her seat waiting for the lights to dim. Just as she began to nod off a baby began to cry. Amy tried hard to sleep and ignore the child. After an hour she put in earbuds and listened to music instead.
 selected sentence: After an hour she put in earbuds and listened to music instead.

Amy tries hard to sleep and ignore the crying child >Causes/Enables> Amy puts in earbuds and listens to music after an hour