If A ÷ B means A is the daughter of B, A + B means A is the brother of B, and A - B means A is the sister of B, what is the relationship of C if A ÷ B + C?
If A × B means A is the daughter of B, A + B means A is the son of B, and A - B means A is the wife of B, what is the relationship of C if A × C + B = true?
In a coded relation, if A ÷ B means A is the son of B, B + C means B is the sister of C, and C * D means C is the mother of D, what is the relationship of A to D?