Find a bathroom and try it out.

Filled with excitement and hope that your life is finally going to change for the better, you decide you can't wait until you get home to try it, and look around for the nearest restroom to test it out in.

Just across the path from the booth you're standing at are a several doors, two with the male gender symbol on it, two with a female symbol on it, and a few with what look to be various extensions and modifications of the classic gender symbols. One door catches your eye that simply reads "any"