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 want(s) a new set of diapers >Motivates> The cashier asks Ethan to pay the fee