Read the following information and answer the questions given below:
'A + B' means A is the daughter of B.
'A * B' means A is the son of B.
'A - B' means A is the wife of B.
How is A related to B?
Statements:
I. P, the only son of A, has two sisters.
II. A’s son is the brother of the only sister of B.
III. B and P are children of A.