(Joe comes to Mary's apartment with a large package)
Mary: What's that?
Joe: It's a surprise!
Mary: For me?
Joe: Yes. Let's go inside and you can open it up.
Mary: Wow! It's big! What could it be?
Joe: I'll give you two clues. First, it cost more than $250. And second, it's not big, but fat.
Mary: What does that mean, not big but fat? You didn't buy...