Nope, doesn't work. When somebody insists that there are two genders, no more, no less, and that they ae completely mutually exclusive, then a single example of a person who doesn't fit the model invalidates the model.
Simple logic, old bean.
I have a question for the types who insist (with a perplexing level of hysteria) that there are two, exactly two, and only two genders, and that every single human bean who ever lived is one of the two and absolutely not the other. . .
Have you ever heard of hermaphrodites?
What are they?
Yep. Unless he has uncommonly strong wrists, hitting the sword full-force with a cricket bat will drive it to the head or body of the wielder. Then ya just beat him over the head until he quits twitching.
That didn't look like a katana, by the way. Maybe a ninjato. Too short for a katana.
So you stand by until something happens. ID checks aren't Constitutional down here. They have to be supported by reasonable suspicion that the person (not the crowd) has committed, is committing, or intends to commit a crime.
Trespass also isn't a crime. It's a civil matter. It only becomes...