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: Shawn ran out of dog food. His dog was hungry. Shawn went to the store. Bought dog food. Went home to fed his dog.
 selected sentence: Bought dog food.

Shawn goes to the store >Causes/Enables> Shawn buys dog food