M is the grandmother of N. O is the mother of N. What is the relation of O to M?

A. DAUGHTER

G is the uncle of H. H is the daughter of J. How is G related to J?

B. BROTHER-IN-LAW

N is the sister of O. P is the brother of N. How is P related to O?

A. BROTHER

P is the grandmother of Q. R is the father of Q. How is P related to R?

A. MOTHER

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

A. SISTER