A is the sister of B. B has a son named C. How is C related to A?

A. NEPHEW

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

A. BROTHER

J is the son of K. L is the daughter of M, who is the sister of K. How is L related to J?

A. COUSIN

If A is the mother of B and B is the sister of C, what is A's relationship to C?

B. MOTHER

K is the daughter of L. M is the son of L. N is the sister of M. How is N related to K?

A. SISTER