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: Laura was completely relaxed lying on the beach. She set up a chair and spread out a blanket. She had been dreaming of this vacation for months. When it was time to leave, Laura was sad. When she got home, she started planning her next trip.
 selected sentence: When it was time to leave, Laura was sad.

Laura is leaving her vacation >Causes/Enables> Laura is sad