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

A. SON

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

A. COUSIN

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

A. MOTHER-IN-LAW