If  A & B means A is father of B and A @ B means A is the sister of B then which of the following expressions means H is the father of M ?

H & K @ P @ M

Note:

↑ 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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