A: I need to get some beef.

B: Do you know what kind of beef you want?

A: I want to get some ground beef.

B: How many pounds do you need?

A: I would like four pounds of ground beef.

B: What kind of ground beef do you need?

A: I would like the extra lean.

B: Let me go and get that for you.

A: Thank you very much.

B: No problem.

A: I'll wrap it up for you now.

B: I appreciate that.