If A $$\div$$ B means that A is the brother of B, A $$\times$$ B means that A is the sister of B, A - B means that A is the father of B then which of the following expression shows that P is the paternal uncle of R?

A

$$P - R \div Q$$

B

$$P \div R \times Q$$

C

$$P \times R - Q$$

D

$$P \div R - Q$$