Study the following information carefully and answer the questions that follow:
'`Pxx Q`' means 'Q is the father of P'
'`P-: Q'` means 'Q is the brother of P'
'P+Q' means 'Q is the daughter of P'
'P-Q' means 'Q is the mother of P'
'P= Q means 'Q is the wife of P'
Which of the following expression means 'E is the maternal grandmother of A'?

Options

A. `A-B-: C xx D=E`
B. `A-B+C xx D xx E`
C. `A- B xx D -: E`
D. `A= B+C -: D+ E`

Answer

A

Explanation