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On January 3 , 2008 Zavala Valladares became Peru 's Permanent Representative to the Organization of American States ( OAS ) , replacing Antero Florez-Araoz .
 Peru, Organization of American States
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Peru, Organization of American States