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Igor Radoji?i? ' ( Serbian Cyrillic : ) is the Chairman of the Natio  nal Assembly of R  epublika Srpska an entity of Bosnia and Herzegovina and following the dea  th of Presid  ent Milan Jeli? was acting President of Republika Srpska from October 1 2007 to 28 December 2007 .
 employee of: nal Assembly of R, th of Presid
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: nal Assembly of R, th of Presid