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Greek President  Karolos Papoulias  believes Tuesday that Romania and  Greece  can form a Balkan group within the European Union after the Baltic or Scandinavian model .
 countries of residence: Karolos Papoulias, Greece
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: Karolos Papoulias, Greece