In a certain code language, ‘A * B’ means ‘A is the father of B’, ‘A ÷ B’ means ‘A is the son of B’, A$ B’ means ‘B is the mother of A’, A+ B’ means ‘B is the sister of A’. AB’ means ‘B is the brother of A’, A % B’ means ‘B is the husband of A Which of the following statements is true?