D is the daughter of E, and F is the brother of E. What is F to D?

A. UNCLE

D is the father of E. E is the daughter of F. How is D related to F?

C. HUSBAND

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

A. SISTER

If A is the brother of B, and B is the sister of C, what is the relationship of A to C?

A. BROTHER

If G is the son of H and H is the brother of I, what is G's relationship to I?

A. NEPHEW