its quite simple. Two . you are or a Male of a Female . You know the Chromosomes and stuff . We ware designed to be one or the other . i think it's going to far, if they want to be Transgender or identifying themselves as a cattle its their problem and their right , there's to much fuss about it and to much of a pressure to actualy legalise multi gender or gender fluid or whatever . Your'e a Male or Female .