Is that man your friend? (O)
Yes, he is. He is my friend.
Is that man your grandfather? (O)
Yes, he is. he is my grandfather.
Is it your house? (X, my dog's house)
No, it's not. It's my dog's house.
Is she your mother? (X,sister)
No,She isn't. She is my sister.
Is he your brother?
No, he isn't. He is my father.
Is she your friend? (O)
Yes, she is. She is my friend.
Is she your grandmother? (O)
Yes, she is. She is my grandmother.
Is it your cat?(X, my friend's cat)
No, it isn't. It is my friend's cat.
Is it your pen?
Yes, it is. It is my pen.