A # B means ‘A is the father of B’.
A @ B means ‘A is the son of B’.
A & B means ‘A is the sister of B’.
A % B means ‘A is the wife of B’.
If W # Q @ T & Y @ M % K, then how is K related to W?

A

Brother

B

Brother-in-law

C

Father-in-law

D

Father