— Is this board game your children’s?
— No, it isn’t theirs. It’s my nieces’.
— Is this signature Mr. White’s?
— No, it isn’t his. It’s his secretary’s.
— Is that collection her sister’s?
— No, it isn’t hers. It’s her mother’s.
— Are these shoes Maria’s?
— No, they aren’t. Those are Claire’s.
— Are those books his brother’s?
— No, they aren’t. Those are his nephew’s.
— Are these suitcases your parents’?
— No, they aren’t. These are our aunt’s.
— Is this boat your uncle’s?
— No, it isn’t. It’s my grandfather’s.