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: Riley has a big test coming up. She studies day and night. The day of the test comes. She finishes the test. She gets an A on her test.
 selected sentence: She studies day and night.

Riley has a big test approaching >Causes/Enables> Riley studies day and night