H is the uncle of I. J is the sister of I. How is H related to J?

B. UNCLE

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

A. COUSIN

A is the brother of B. C is the sister of A. How is C related to B?

A. SISTER

A is the brother of B. C is the sister of A. How is C related to B?

A. SISTER

M is the daughter of N. N is married to O. How is O related to M?

A. FATHER