1762
Andrea Bocelli gave a concert for the occasion with guests including the President of Russia Dmitry Medvedev ; the President of Ukraine Viktor Yanukovych ; the President of Turkey Abdullah ; the President of Belarus Alexander Lukashenko ; the President of  Armenia   Serzh Sargsyan  ; the President of Tajikistan Emomalii Rahmon ; the President of Kyrgyzstan Roza Otunbayeva ; the Crown prince of Abu Dhabi Mohammed bin Zayed Al Nahyan ; and the King of Jordan Abdullah II .
 employee of: Armenia, Serzh Sargsyan
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Armenia, Serzh Sargsyan 
Answer:
 employee of: Armenia, Serzh Sargsyan