Question

Z + Y’ means ‘Z is the father of Y’ ‘Z

– Y’ means ‘Z is the mother of Y’ ‘Z × Y’ means ‘Z is the brother of Y’ ‘Z ÷ Y’ means ‘Z is the sister of Y’. What does ‘A × B – C’ mean?

A A is the father’s father of C

B A is the father of C

C A is the mother’s brother of C

D A is the father’s brother of C

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