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 woke up while shivering from the cold weather. It was hard to focus in class today since I was freezing. I tried to write however, my hands were too cold. As soon as I got home, I decided to take a hot shower. My body was warm afterwards.
 selected sentence: It was hard to focus in class today since I was freezing.

I go to class >Causes/Enables> I find it hard to focus