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

B. BROTHER

If D is the mother of E and E is the father of F, what is D's relationship to F?

A. GRANDMOTHER

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

A. AUNT

If J is the son of K and K is the daughter of L, what is J's relationship to L?

A. GRANDSON

If X * Y means X is the father of Y, and Y ÷ Z means Y is the mother of Z, what is the relationship between X and Z?

A. GRANDFATHER