You are given a paragraph (Passage), a question (Question) and two answer options (Option1 and Option2). Your task is to choose the correct answer to the question based on the passage. Answer of the question cannot be found directly from the passage, it is indirectly indicated in the passage. Do not answer with words other than the two options, and do not answer with option titles(e.g. "option1" or "1" are not acceptable answers.)

Passage: I had already filled up my car with gas because I was going on a 2 hour drive and I knew I needed my tank to be full . After I filled up my car , I locked the car with my keys and walked inside the gas station . There was a line at the register , so I stood in line and waited . While I waited , I saw that there was some candy set up next to the register and decided to get a pack of gum . When it was my turn to pay , I put the pack of gum on the counter , and told the cashier that my gas pump number was number 8 . The cashier pulled up my total and said I needed to pay $ 40 for all my gas as well as the pack of gum . I took my wallet out of my pocket , pulled out $ 40 in cash , and gave it to the cashier . I left the gas station and went back to my car . Question: The cashier gave them their gum and what else? Option1: An apple. Option2: a receipt
a receipt