How can #1 be a choose-able option if there are genderfluid people? Unless you allow an indefinite (and large?) number of genders, to include at least each of

How can #1 be a choose-able option if there are genderfluid people? Unless you allow an indefinite (and large?) number of genders, to include at least each of the option at https://en.wikipedia.org/wiki/Non-binary_gender https://en.wikipedia.org/wiki/Non-binary_gender as a hard-wired gender? Which leads to the question: How many genders are in your 3-option model?