Hello! My name's Mary Brown. I'm a girl. I like red. I have a red schoolbag. What's this? It's my red pencil box. Is that my ruler? Yes, it is. It is a red ruler. What's that? It is a watch. Is it my watch? No, it isn't. It's Bob's watch. It's blue. Is that Bob's ruler?
Yes, it is. No, it is. Yes, it's. No, it isn't.