What’s your colour analogy for my example of Pashtuns on one side of the Afghanistan-Pakistan border being (according to the US government) a different “race” f

What’s your colour analogy for my example of Pashtuns on one side of the Afghanistan-Pakistan border being (according to the US government) a different “race” from those on the other, despite being physically indistinguishable? I think that’s a good example of where your analogy fails