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: Katie's birthday was coming up. Her best friend wanted to surprise her with a party. She got together with Katie's friends and family and made a plan. They decided to have Katie go to the store while they set up the party. They set up the party and surprised Katie when she came back.
 selected sentence: They set up the party and surprised Katie when she came back.

Katie goes to the store >Causes/Enables> Katie comes back