A: Can I help you, sir?
B: Yes, I bought this record for my father three days age. But I’m afraid he’s already got it. Could I change it for something different?
A: Certainly,sir. But are you still keep you receipt?
B:Yes, let me show it to you.
A: Thank you, sir. Would you like to choose something now?
B: I want to pick some classical records.
A: Well, what about some Chopin? This is a very nice record, sir.
B: I agree. But I have got a Chopin. I’d like something else.