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

B. FATHER

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

A. SISTER

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

A. AUNT

If K is the son of L and M is the sister of L, what is the relationship of M to K?

A. AUNT

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

A. NIECE