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: My son has a fish. It was swimming in its tank. He took the fish out of the tank. He put it a small container. He cleaned the tank.
 selected sentence: He cleaned the tank.

He takes the fish out of the tank >Causes/Enables> He cleans the tank