If X - Y means X is the sister of Y, X + Y means X is the brother of Y, and X × Y means X is the daughter of Y, what is the relationship of Z if X - Z + Y means X is the sister of Z and Z is the brother of Y?
If A + B means A is the brother of B, A - B means A is the sister of B, and A × B means A is the father of B, what is the relationship of C if A + C × B?
If A + B means A is the brother of B, A - B means A is the sister of B, and A × B means A is the father of B, what is the relationship of C if A + C × B?
In a coded relation, if M + N means M is the daughter of N, M - N means M is the son of N, and M × N means M is the grandmother of N, what is the relationship of O if M + O - N?