Read the following information carefully and answer the questions given below it—
(1) There is a group of six persons A, B, C, D, E and F in a family. They are Psychologist, Manager, Lawyer, Jeweller, Doctor and Engineer.
(2) The doctor is the grandfather of F, who is a Psychologist.
(3) The Manager D is married to A.
(4) C, the Jeweller, is married to the Lawyer.
(5) B is the mother of F and E.
(6) There are two married couples in the family.
(7) The Psychologist is a female while Engineer is a male.