dialogue: W: What can I do for you? M: I would like to buy some notebooks. How much is a notebook? W: Two yuan. M: I also want some pencils. W: How many do you want? M: Five notebooks and four pencils. W: Did you say five notebooks and four pencils? M: Yes. You're right. W: Oh, that's twelve yuan. M: Here you are. W: Thanks. Here are your notebooks and pencils. M: Thank you.
question: What does the man buy?
choice: Notebooks. Pencils. Both A and B.
answer: Both A and B.