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Grandmaster Wong is recipient of “ Qi Gong Master of the Year ” at the 2nd World Qi Gong Congress in San Francisco .
 person: Wong; location: San Francisco
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Wong; location: San Francisco