If X is the daughter of Y and Y is the sister of Z, what is the relationship of X to Z?

A. NIECE

If G is the daughter of H and H is the sister of I, what is G's relationship to I?

B. NIECE

If G is the daughter of H and H is the sister of I, what is G to I?

A. NIECE

If D is the daughter of E, and E is the sister of F, what is the relationship of D to F?

A. NIECE

If M is the father of N, and N is married to O, what is O's relation to M?

A. SON-IN-LAW