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.

story: Al sneezed in his office one morning quite loudly. After a brief pause he heard a louder sneeze elsewhere in the office. Al took this as a challenge and force out an even louder sneeze. This went back and forth for quite a while. Al's co-workers yelled at Al and the other man to cut it out.
 selected sentence: Al's co-workers yelled at Al and the other man to cut it out.
Al and another man sneeze loudly in the office >Causes/Enables> Co-workers yell at Al and the other man to cut it out