8592
Later in September Zelaya returned to the country and President of  Costa Rica   Arias  who had become a mediator in the matter as well as Clinton expressed hope that Zelaya's return could break the impasse with the Micheletti government .
 country of birth: Costa Rica, Arias
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "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} 
Answer:
 country of birth: Costa Rica, Arias