question_answer

If 'A * B' means 'B is the father of A'

'A B' means 'A is the sister of B'

'A @ B' means 'A is the mother of B'

'A = B' means 'B is the brother of A' then which of the following means M is the aunt of R?

A) M @ Q N = R

B) M N @ O = R

C) M = O * S = R

D) M  N * O = R

E) None of these