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President  Nicanor Duarte  whose government struggled to halt a dengue fever epidemic that killed 17 last year put  Paraguay  on alert Tuesday against a possible re-emergence of the mosquito - borne disease .
 countries of residence: Nicanor Duarte, Paraguay
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:
 countries of residence: Nicanor Duarte, Paraguay