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: Tim was trying to draw the perfect circle. He could not do it. He tried twelve times. He had an idea. He traced around a CD to get a perfect circle.
 selected sentence: He traced around a CD to get a perfect circle.

Tim could not draw a perfect circle >Causes/Enables> Tim traced around a circle to get the perfect circle 