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 was turning 16 Year's old. Her best friend decided to throw her a surprise party. She invited all of Kate's friends over. She got a lot of food and a big cake. Kate was so surprised!
 selected sentence: She invited all of Kate's friends over.

Kate's friend throws a party for Kate >Causes/Enables> Kate's friend invites Kate's friends