What does that question mean? If you were to refer to an ethnically Chinese person in Taiwan as "Chinese", they might get irate pretty quickly if they though y

What does that question mean? If you were to refer to an ethnically Chinese person in Taiwan as "Chinese", they might get irate pretty quickly if they though you were mixing up the ROC with the PRC. And then they'd let you know that they prefer "Han" as an ethnicity marker separate from national identity. Or, that's how my limited experience has gone...