'A $$+$$ B' means 'A is the father of B'
'A $$-$$ B' means 'A is the wife of B'
'A $$\times$$ B' means 'A is the brother of B'
'A $$+$$ B' means 'A is the daughter of B'
If '$$P - R \times Q + S$$', then which of the following statements is true?

A

Q is the sister-in-law of P.

B

P is the sister-in-law of S.

C

P is the sister-in-law of Q.

D

P is the sister-in-law of R.