1. G: Whose cap is this? Is it yours, Eric?
B: What colour is it?
G: It’s blue.
B: Oh, it’s mine. Thank you.
2. G: Whose green T-shirt is this?
B: Is it Amy’s?
G: Oh, yes, it’s hers.
3. B: Whose yellow shoes are these? Are these yours?
G: No, they aren’t. They are Lin Lin’s.
4. B: Whose red sweaters are these?
G: Oh, they are my parents’.