What could a Black person possibly say that would be considered a Black supremacist statement?

I’ve heard many Black supremacists make statements about white people that, if white people said the exact same things about Black people, they would immediately be labeled white supremacists — but for some reason, the Black people who say these things are never classed as Black supremacists.
What could a Black person possibly say that would be considered a Black supremacist statement?
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