9930
The conference was attended by over 50 world-renowned experts from 14 countries including Sergey Kirienko Director General of the Rosatom State Atomic Energy Corporation ; Mohamed ElBaradei Director General of the International Atomic Energy Agency ( IAEA ) ; Nikolay Laverov Academician and Vice President of the Russian Academy of Sciences ( RAS ) ; William Perry former Secretary of the U.S. Department of Defense ; and  Hans Blix  Chairman of the Weapons of Mass Destruction Commission and former Director General of the  International Atomic Energy Agency  .
 employee of: Hans Blix, International Atomic Energy Agency
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: Hans Blix, International Atomic Energy Agency