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: It was Sam's birthday yesterday. She got a birthday cake and presents. Everyone had fun except for her. She cried. She couldn't get over the fact that she was so old.
 selected sentence: Everyone had fun except for her.

A birthday party is thrown >Causes/Enables> People has fun