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: Fred was on the farm milking the cows. He milked dozens of cows that morning. He packed the milk in cartons and sold them to the store. The store was relieved because they were out of milk. Fred went back home to his farm to sleep for another day.
 selected sentence: The store was relieved because they were out of milk.

He sells milk to the store >Causes/Enables> The store is relieved