A: Look! What's that?
B: It's a pencil box. Is it yours, Jane?
A: No, it isn't. It's Sue's. That pen is Sue's, too.
B: Is this her book?
A: No, it's my book. My name is on it.
B: And is this your eraser?
A: No, it is Jim's eraser. And what's this, Sam?
B: It's a ruler. It's my ruler. What about this pencil?
A: It's mine.
B: Here you are.
