14997
Chen Shui - bian of the Democratic Progressive Party , which advocates Taiwan independence , produced a long and detailed white paper on China policy , which offered some changes and reservations to the independence position .
 Chen Shui - bian, the Democratic Progressive Party, Taiwan, China
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:
 Chen Shui - bian, the Democratic Progressive Party, Taiwan, China