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: It was the day of the big football game. Tim went to school ready to win. After a hard fought game, Tim's team won. However, Tim's clothes were all dirty. Fortunately, his mother bought him a change of clothes.
 selected sentence: Fortunately, his mother bought him a change of clothes.

Tim's clothes are dirty >Causes/Enables> Tim's mom brings him a change of clothes