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