(i). There is a family of six members A, B, C, D, E and F.
(ii). There are two married couples in the family and the family members represent three generations.
(iii). Each member has a distinct choice of a colour amongst green, yellow, balck, red, white and pink.
(iv). No lady member likes either green or white.
(v). C, who likes black colour is the daughter-in-law of E.
(vi). B is brother of F and son of D and likes pink.
(vii). A is grandmother of F and F does not like red.
(viii). The husband has a choice of green colour, his wife likes yellow.
How many male members are there in the family ?