Direction: Study the given information carefully and answer the following questions.

A three-generation family consists of seven members i.e. A, B, C, D, E, F and G in which two are married couples. C is the sister of E, who is the mother-in-law of B. A is the father of F who is the granddaughter of G. D is the brother of F. B is the spouse of A. C is unmarried member of the family.