Question : Directions: A @ B means A is the husband of B
A & B means A is the mother of B
A # B means A is the daughter of B
If Q @ M & Y @ J # R & Z, then how is Y related to Z?

Question : Directions: A & Z means A is the father of Z;
A × Z means A is the sister of Z;
A # Z means A is the mother of Z;
A * Z means A is the daughter of Z;
A % Z means A is the son of Z;
A @

Question : Directions: Z @ A means Z is the son of A.
Z * A means Z is the brother of A.
Z × A means Z is the father of A.
Z # A means Z is the sister of A.
Z + A means Z is the daughter of A.
Z = A means Z is the mother of A.

Question : Directions: V + W means V is the sister of W;
V – W means V is the father of W;
V * W means V is the mother of W;
V ÷ W means V is the brother of W.
How is J related to K in the following expression?

Question : Directions: C @ D means C is the mother of D.
C & D means C is the brother of D.
C # D means C is the sister of D.
C * D means C is the father of D.
If V &Y @ G * F, then how is Y related to F?