If X - Y means that X is the mother of Y, X $$\times$$ Y means that X is the father of Y, X $$\div$$ Y means that X is the sister of Y, then which of the following expression shows that Q is the son of P?

A

$$R \times Q - P$$

B

$$Q - P \times R$$

C

$$P - Q \div R$$

D

$$P - Q \times R$$