In a certain code language,
‘A + B’ means ‘A is the mother of B’,
‘A - B’ means ‘A is the father of B’,
‘A $$\times$$ B’ means ‘A is the brother of B’,
‘A & B’ means ‘A is the son of B’ and
‘A @ B’ means ‘A is the sister of B’.
How is G related to N if N $$\times$$ P @ Q - L $$\times$$ M & G?

A

Wife

B

Mother

C

Brother’s wife

D

Sister