5500
Serbian Foreign Minister Vuk Jeremi? paid a visit to Azerbaijan in 2009 and President o  f Serbi   a Boris Tadi  ? paid an official visit to Azerbaijan in 2010 .
 countries of residence: f Serbi, a Boris Tadi
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:
 countries of residence: f Serbi, a Boris Tadi