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Renato Zesma Ramalho ( born April 17 , 1967 in Curitiba ) is a former international medley swimmer from Brazil .
 Curitiba, Brazil
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Curitiba, Brazil