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Dragan Čavić ( Serbian Cyrillic : Драган Чавић ) ( born March 10 , 1958 in Zenica ) was the President of Republika Srpska 2002-2006 .
 Dragan Čavić, Zenica, Republika Srpska
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Dragan Čavić, Zenica, Republika Srpska