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 playing ball. He threw it on the roof. He started crying. His dad saw what happened. His dad got the ball so Tim would stop crying.
 selected sentence: He started crying.

Tim throws his ball on the roof >Causes/Enables> Tim starts to cry