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 father of R?

A

$$P - Q \times R$$

B

$$P \times Q - R$$

C

$$P \div Q \times P$$

D

$$P - Q \div R$$