(a) There are six members A, B, C, D, E and F in a family.
(b) There are two married couples.
(c) C is the wife of B and mother of F.
(d) F is the granddaughter of E.
(e) D is the grandmother of A and mother of B.
Who among the following is one of the couples?
1) C and D
2) B and E
3) D and E
4) A and C
5) None of these