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Music critic Tsai Yun - pu notes that the Southeast Asian singers are not as recognizable as their counterparts from North America , who have a hard - rocking , R&B style .
 Tsai Yun - pu, Southeast Asian, North America
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 Tsai Yun - pu, Southeast Asian, North America