21140
Xinhua News Agency , Shanghai , August 31st , by reporters Zhixing Wu and Qi Wang
 Xinhua News Agency, Shanghai, August 31st, Zhixing Wu, Qi Wang
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:
 Xinhua News Agency, Shanghai, August 31st, Zhixing Wu, Qi Wang