According to the given information, we can conclude the following things:
- out of 6 members, there are $3$ male and $3$ female members.
- $A, E$ are the male member, they are siblings, related to $F$
- $D$ is female. having one male and one female child.
- $B$ is the male (son) of $A$, so $A$, from point 3 we can see $D, A$ are a couple because it is given that only one married couple is there, and $B, D$ are their children.
So $F,C,D$ are female,$A,B,E$ are male members.
Option (B) is correct.