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Greek President  Karolos Papoulias  met with his Austrian counterpart Heinz Fischer on Monday and said that  Greece  needs to make efforts to address its trade imbalance with Austria .
 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