If A × B means that A is the father of B, A ÷ B means that A is the mother of B, A + B means that A is the brother of B then which of the following expression shows that P is the paternal
grandmother of R?

A

$$P \times Q \div R$$

B

$$P \div R \times Q$$

C

$$P \div Q + R$$

D

$$P \div Q \times R$$