Tom: Cindy, I found a pencil box in the library. Is it yours?
Cindy: No, it isn't. This pencil box is yellow. Mine is green.
Tom: Jerry, what color is your pencil box?
Jerry: It's yellow. I can't find it now.
Tom: Is this your pencil box?
Jerry: Oh, yes. I lost it in the morning.
Tom: Here you are.
Jerry: Thanks.