M is the grandmother of N. N has an uncle O who is the brother of N's mother. How is O related to M?

A. SON

G is the father of H. I is the sister of G. How is H related to I?

C. NIECE

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

A. BROTHER

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. COUSIN

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

A. BROTHER