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: Kate had made the basement nice as a place of peace. But her brother set up his Nintendo. Kate decided to work in peace in a corner till he left. Then his friends began to arrive. Kate no longer had a quiet place to hang out.
 selected sentence: Then his friends began to arrive.

Her brother invites his friends >Causes/Enables> His friends arrive