Read the following information carefully and as swer the questions given below it.
A÷ B means A is the brother of B.
A-B means A is the sister of B.
A`xx`B means A is the father of B.
A+B means A is the mother of B.
If `P+Q-Rxx S,` then P is S's

Options

A. grandmother
B. maternal grandmother
C. maternal aunt
D. sister

Answer

A

Explanation

`{:(P(-)),(|),(Q(-)-R (+)),(" "|),(" "S):}`