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: Megan had bought a fridge online. She had it delivered by the previous owner. Immediately, she noticed that the thing was so gross. She opened it and found the worst mess ever. It took her hours to clean the entire thing.
 selected sentence: Immediately, she noticed that the thing was so gross.

A used refrigerator was delivered to Megan >Causes/Enables> Megan realized the refrigerator was gross