In a coded relationship, A × B means A is the sister of B, A + B means A is the father of B, and A - B means A is the mother of B. If C - A + B = true, what is the relationship of C to B?

A. C IS THE MOTHER OF B

If J is the grandmother of K and K is the daughter of L, what is the relationship of L to J?

B. DAUGHTER

If X * Y means X is the mother of Y, and Y + Z means Y is the brother of Z, what is the relationship between X and Z?

C. MOTHER

If A is the brother of B, and B is the sister of C, how is A related to C?

A. BROTHER

If D is the mother of E and E is the father of F, what is D's relationship to F?

A. GRANDMOTHER