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: Beth was a high school teacher. Her students would be very loud. One day she could not take it anymore. She accidentally screamed at them. The class was never loud again.
 selected sentence: She accidentally screamed at them.

Beth's students are very loud >Causes/Enables> Beth screams at her students