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 dog needed a new bed. He had torn his into pieces. I decided to go ahead and buy him a new one. When I got home, he had torn up the new one. I decided to give him a blanket from now on.
 selected sentence: When I got home, he had torn up the new one.

I bought my dog a new bed >Causes/Enables> My dog tore up the new bed