If  P × Q means that P is the mother of Q, P + Q means that P is the father of Q, P ÷ Q means that P is the sister of Q, then which of the following expression shows that A is the maternal aunt of C? 

A ÷ B × C

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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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