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: The pool was open yesterday, to Mia's excitement. Mia wanted to go swimming. She asked a friend to go with her. Mia and her friend went to the pool to enjoy the water. They swam until the pool closed, and went home exhausted.
 selected sentence: They swam until the pool closed, and went home exhausted.

They swim >Causes/Enables> They go home exhausted