You are given a paragraph (Passage), a question (Question) and two answer options (Option1 and Option2). Your task is to find the correct answer (and return the string of the correct option, not option1/2) for the given question from the given options and based on the given passage. Answer of the question can be found directly from the passage.

Passage: I approached the cashier to pay for my groceries . After all of my groceries had been rung up , the cashier told me that my total was 100 dollars . I got out my wallet , and removed my credit card . I waited for the cashier to tell me , " Go ahead and swipe . " The screen read , " Processing , " then shortly after asked for my signature . I took the plastic pen out of the holder at the top of the kiosk . I then signed my signature in the box in the screen . I then clicked " OK " on the screen . Once the screen read , " Payment approved , " I knew my payment had been accepted , so I put the card back in my wallet . I then put the wallet back in my pocket , then took the receipt that the cashier was handing me . Question: When did they swipe their card? Option1: after the cashier said to Option2: after payment was approved
after the cashier said to