G is the brother of H. I is the sister of G. How is I related to H?

A. SISTER

M is the grandmother of N. O is the mother of N. How is O related to M?

A. DAUGHTER

D is the mother of E and F. G is the father of E. How is G related to F?

B. FATHER

X is the father of Y. Z is the mother of Y. How is Z related to X?

B. WIFE

P is the uncle of Q. R is the sister of P. How is R related to Q?

A. AUNT