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: Billy had a favorite teddy bear when he was a kid. Over the years he lost track of it and even forgot about it. When his mother passed away he went to her house to clean it up. He found a box in the attic that held his old teddy bear. He took it home to give to his daughter.
 selected sentence: He found a box in the attic that held his old teddy bear.

Billy cleaned His mother's house >Causes/Enables> Billy found his old teddy bear