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

B. SISTER

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

A. DAUGHTER

X is the father of Y. Y is the daughter of Z. What is the relation of Z to X?

B. WIFE

K is the grandmother of L. M is the father of L. How is M related to K?

C. SON-IN-LAW

N is the grandfather of O. P is the father of O. How is N related to P?

B. FATHER