Read the following conversation and answer the question. M: Could you tell me how much it is to send a postcard by airmail to Europe? W: Twenty five cents. M: OK, I'd like two 25 cent stamps, please. W: Here you are. Question: What is the man doing? - He is buying plane tickets to Europe. - He is sending some postcards. - He is asking about his mail.
Answer:
He is sending some postcards.