If "A © B" means "A is the brother of B" and "A ★ B" means "A is the mother of B", what does "X ★ Y © Z" mean?
Correct answer: B. X is the mother of Z
X ★ Y means X is the mother of Y, and Y © Z means Y is the brother of Z. Since Y and Z are siblings, X is also the mother of Z.
hard