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

ATQ,

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Please note:

  l   ⇒ Vertical line shown "generation gap".

 =  ⇒ Double lines shown "relation of spouse" 

—  ⇒ Horizontal line shown "relation in same generation other than spouse".

     ⇒ Rectangular box shown " Male".

     ⇒ Circular box shown " Female".

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