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Chang represented his country South Korea in Warcraft at the World Cyber Games 2004 , winning the 2004 national Korean qualifier .
 person: Chang; location: South Korea
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Chang, South Korea 
Answer:
 person: Chang; location: South Korea