Six members of a family namely A, B, C, D, E, F are travelling together, B is the son of C but C is not the mother of B. A and C are the married couple. E is the brother of C. D is the daughter of A. F is the brother of B. How many male members are there in the family?
Introducing a man, a woman said, "He is the only son of my mother's mother". How is the woman related to the man?