Per the author did not mean just one gender. You may not have understood that not everyone has the concept corresponding to the dictionary, as the dictionary, again, may be little obsolete.
A lot is possible.
Do you have to put someone in the hole? If someone Just Explains to You a Different Interpretation of Something, Should He Definitely Go to the Lookout?
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You’re sorry, but when a simple explanation begins with an obvious insult (or my understanding of the phrase “somebody with a brain has not determined” is also outdated?In this case, it is much more than a person deserves.

And as for the fact that "many things are possible", can I answer you by Pratchett?
The man in a mask and a striped suit, rushing out of your window, may have just gone astray on the way to the masquerade, and the man in a pearl and mantle at the entrance to the courtroom may have been the ordinary transvestite who has looked here hiding from the rain. These findings are unfair."