G: Whose books are these? Are they Eric’s?
B: No, they aren’t. They are Lin Lin’s.
G: Is this Lin Lin’s ruler?
B: Yes, it is.
G: Look at the toy plane. It’s so nice.
B: It’s Gao Fei’s.
G: Is that toy train his, too?
B: No, it isn’t. It’s Eric’s.
G: Oh, whose pencil is this? I like the colour.
B: It’s Eric’s.
G: Is this red cap yours?
B: No, it isn’t. It’s my friend Amy’s.