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: Johnny slept well the night before. Upon awaking he yawned. He looked in the mirror. He saw Something in his eye. He washed his face to clean his eyes.
 selected sentence: Upon awaking he yawned.

Johnny sleeps >Causes/Enables> Johnny wakes up