WHO'S THAT?
BROTHER
WHO'S THAT?
SISTER
WHO'S THAT?
GRANDMOTHER
WHO'S THAT?
GRANDFATHER
WHO'S THAT?
FATHER
WHO'S THAT?
MOTHER
WHOSE BOOK IS IT?
IT'S LUCA'S BOOK
WHOSE BIKE IS IT?
IT'S SARAH'S BIKE
WHOSE COMPUTER IS IT?
IT'S TOM'S COMPUTER
