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

A. UNCLE

G is the son of H, and I is the daughter of H. What is I to G?

A. SISTER

J is the mother of K, and L is the father of K. What is L to J?

B. HUSBAND

M is the sister of N, and O is the son of N. What is M to O?

A. AUNT

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

A. BROTHER