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: Dan took an order for a young man who came into the restaurant. Before he left, he thanked Dan and asked him to look at his napkin. Dan searched for the napkin on the table. He found out that there was $100 behind the napkin. Dan was able to fill his car gas and pay a bill with the money.
 selected sentence: Dan was able to fill his car gas and pay a bill with the money.

Dan gets $100 >Causes/Enables> Dan pays a bill