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 boy looked for his dad. He was usually in his chair. He wasn't in his chair. He looked in the back yard. His dad was picking up dog poop in the back yard.
 selected sentence: His dad was picking up dog poop in the back yard.

A dog pooped in the back yard >Causes/Enables> The boy's dad picks up dog poop in the back yard