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: Sam woke up early for school. He had a test early in the morning. He studied all night for the test. He just barely missed the school bus as it passed his house. Sam missed his test because he got to school late.
 selected sentence: He had a test early in the morning.

Sam woke up early >Causes/Enables> Sam had a test