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He co-founded the Bosnian Serb nationalist Serbian Democratic Party ( SDS ) with  Radovan Karad?i  ? Retrieved 26 July 2010 and between 1990 and 1992 he was the speaker of the National Assembly of t  he Republika Srps  ka and between June and December 1992 a member of the expanded Presidency of the Bosnian Serb Republic .
 employee of: Radovan Karad?i, he Republika Srps
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 employee of: Radovan Karad?i, he Republika Srps