Amit said - "This girl is the wife of the grandson of my mother". How is Amit related to the girl?

A and B are children of D. Who is the father of A? To answer this question which of the statements (1) and (2) is necessary?

1. C is the brother of A and the son of E.
2. F is the mother B.

Pointing towards a man, a woman said, "His mother is the only daughter of my mother." How is the woman related to the man?

If P $ Q means P is the brother of Q; P # Q means P is the mother of Q; P * Q means P is the daughter of Q in A # B $ C * D, who is the father?

Introducing Sonia, Aamir says, "She is the wife of only nephew of only brother of my mother." How Sonia is related to Aamir?