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: Harold had a new pet. It was a cute white duck. He built a pond for it in his backyard. The duck loved to swim around in it. Harold had a great time watching his new animal.
 selected sentence: The duck loved to swim around in it.

Harold built a pond for his duck >Causes/Enables> The duck loved to swim in the pond