A: May I help you? B: I would like to return this book. A: May I do anything else for you? B: I would also like to check out this magazine. A: I can't let you do that. B: Why is that? A: Our policy doesn't allow anyone to check out the magazines. B: What things am I allowed to check out? A: You are only allowed to check out books or videos. B: I really need to check out this magazine. A: I'm sorry, but that's our policy. B: That's stupid.