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Dr.  Karolos Papoulias  ( ; born 4 June 1929 ) has been the President of  Greece  since 2005 .
 Karolos Papoulias, Greece
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 Karolos Papoulias, Greece