1. A: These are your DVDs. Is this DVD yours too?
B: Yes, it is. They're all mine.
2. A: Is that Jim and Henry's dog?
B: No, it isn't. Theirs is black.
3. A: Is this our football? Or is it Anne's?
B: It's ours. Anne's football is over there.
4. A: Is that your bedroom, or your sister's?
B: It's hers. My bedroom is opposite.
5. A: Is this Dan's bike?
B: No, it isn't. His is blue.
