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They included Canada's Ambassador Michael Wilson and presidents Michelle Bachelet of Chile Alvaro Uribe of Colombia Oscar Arias of Costa Rica Leonel Fernandez of the Dominican Republic  Antonio Saca  of  El Salvador  Alvaro Colom of Guatemala Felipe Calderon of Mexico Martin Torrijos of Panama and Peru Vice President Luis Giampietri the White House said .
 countries of residence: Antonio Saca, El Salvador
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:  Antonio Saca, El Salvador 
Answer:
 countries of residence: Antonio Saca, El Salvador