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The ceremony marking the start of the expansion was attended by presidents Daniel Ortega of Nicaragua ; Elias  Antonio Saca  of  El Salvador  ; Manuel Zelaya of Honduras ; former U.S. President Jimmy Carter and Organization of American States Secretary General Jose Miguel Insulza .
 Antonio Saca, El Salvador
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:
 Antonio Saca, El Salvador