The Lost Camera

Visitor: Hi. Have you found a camera? I lost it this morning.

Clerk: Have you checked the café? People leave things there.

Visitor: I've checked everywhere.

Clerk: Can you describe it?

Visitor: It's a black camera, quite small.

Clerk: We have eleven black cameras. Anything else?

Visitor: There's a brown strap. And a sticker on the bottom.

Clerk: A sticker of what?

Visitor: A little cat.

(The clerk looks below the desk and lifts out a box.)

Clerk: This one?

Visitor: Yes! That's it. Where did you find it?

Clerk: You left it here. At this desk. Twenty minutes ago.