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: Ryan was at a grocery store. And he saw shelves filled with chocolate bars. He decided to buy tons of chocolate that he didn't need. But when he needed to buy food the next time, he was short on money. Ryan decided to only buy what he needed from then on.
 selected sentence: But when he needed to buy food the next time, he was short on money.

Ryan bought tons of chocolate >Causes/Enables> Ryan is short on money