IS HE THE GRANDFATHER?
NO, HE ISN'T
IS HE THE BABY?
YES, HE IS
WHO IS HE?
HE'S THE FATHER
WHO IS SHE?
SHE'S THE MOTHER
WHO ARE THEY?
SHE IS THE MOTHER AND SHE IS THE BABY SISTER
WHO ARE THEY?
HE IS THE BROTHER AND HE IS THE FATHER
WHO IS SHE?
SHE'S THE SISTER
IS SHE THE GRANDMOTHER?
YES, SHE IS