19689
Xinhua News Agency , Dar Es Salaam , August 30th , by reporter Shanqin Pei
 Xinhua News Agency, Dar Es Salaam, August 30th, Shanqin Pei
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, Dar Es Salaam, August 30th, Shanqin Pei