No, you really can't. If you're wrong, then it wasn't clear now was it? Opinions aren't knowledge either. Assumptions aren't knowledge either. The irony of you redefining basic words in an argument on this topic is not lost on me.
It isn't and that's the point! We both treat these characteristics as the defining features of what a "he" or "she" is. We both refuse to investigate actual scientific facts about a person's sex. Because we both use "he" and "she" to refer to these socially defined traits and not biological facts that are unknown to us.
You're going to do things exactly the same way I do, using the exact same information, and making the exact same judgements. Actual biological facts never once enter the picture because they aren't important when we refer to people as "he" or "she". Biological sex is not important to pronoun usage and you agree, that's why you put zero effort into investigating actual scientific facts just like I do. You're pretending as though you use words differently, but you don't.