G is the uncle of H. H is the daughter of J. How is G related to J?

B. BROTHER-IN-LAW

H is the uncle of I. J is the sister of I. How is H related to J?

B. UNCLE

X is the mother of Y. Y has a brother Z. What is Z's relation to X?

A. SON

A is the brother of B. C is the sister of A. How is C related to B?

A. SISTER

M is the daughter of N. N is married to O. How is O related to M?

A. FATHER