665
Gong Zhichao ( China ) beat Liu Lufung ( China ) 6-11 11-7 11-3
 Gong Zhichao, Liu Lufung, China, China
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 Gong Zhichao, Liu Lufung, China, China