If A is the son of B and C is the daughter of B, how is C related to A?

A. SISTER

D is the mother of E and F. G is the father of E. How is F related to G?

A. SON

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

A is the grandmother of B. C is the mother of B. How is A related to C?

B. MOTHER