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Biography Gao Feng would initially start his football career playing for the Beijing Football Team until the 1994 league season saw full professionism within the league and the club renamed themselves Beijing Guoan .
 Gao Feng, Beijing, Beijing Guoan
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Gao Feng, Beijing, Beijing Guoan