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: Ethan visited the pharmacy today. He ordered a brand new set of diapers. The cashier asked him to pay the fee. However, Ethan found out that his entire wallet was empty. Although he felt embarrassed, he quickly drove back home.
 selected sentence: The cashier asked him to pay the fee.

Ethan orders diapers >Causes/Enables> The cashier asks Ethan to pay the fee