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: I once had a pair of socks that were the most comfy in the world. I wore them every day because they were so comfy. Before long they began to smell. Eventually they got holes in them because I wore them so much. I ended up having to throw out my favorite socks because of the holes.
 selected sentence: I once had a pair of socks that were the most comfy in the world.

I buy comfy socks >Causes/Enables> I have comfy socks