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The group met three times in 2008 and published a final report on the issue In 2009  Oscar Arias  then in his second term as President of  Costa Rica  introduced the Treaty at the United Nations saying : I return today as a Rip Van Winkle of the modern era to see that everything has changed except this .
 countries of residence: Oscar Arias, Costa Rica
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:  Oscar Arias, Costa Rica 
Answer:
 countries of residence: Oscar Arias, Costa Rica