IQ TEST

If
A+B means B is d brother of A;
A*B means B is d husband of A;
A-B means A is d mother of B;
A%B means A is d father of B.
Which of d following relations shows that Q is d
grandmother of T?
A. Q-P+R%T
B. P*Q%R-T
C. P*Q%R+T
D. P+Q%R-T
Give ur answer and possible, d explanation. Have a
wonderful day ahead