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: Vickie told her friend not to throw the ball in the house. Her friend threw the ball and broke a light shade. Vickie was very angry. Her friend went home very sad. Vickie called and apologized to her friend.
 selected sentence: Vickie was very angry.

Vickie's friend throws the ball in the house >Causes/Enables> Vickie gets angry