If A & B means A is the brother of B, A # B means A is the daughter of B, and A @ B means A is the wife of B, then how is K related to Z in the following expression?

Z @ R & T # H @ K

Father-in-law

↑ or ↓ ⇒ Upward or downward arrow shown "generation gap" .

   =    ⇒ Double lines shown "relation b/w Husband & Wife"

   —   ⇒ single line shown "relation in same generation other than Husband & Wife".

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  So, correct answer is option (D).