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It is bordered to the north and east by Brazil , to the southeast by Paraguay , to the south by Argentina , to the southwest by Chile , and to the northwest by Peru .
 Brazil, Paraguay, Argentina, Chile, Peru
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Brazil, Paraguay, Argentina, Chile, Peru