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Flávio Emanuel Lopes Paixão ( born 19 September 1984 ) is a Portuguese professional footballer who plays for Tractor Sazi F.C. in the Iran Pro League , as a forward .
 Flávio, Paixão, Portuguese, Tractor Sazi F.C., Iran Pro League
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Flávio, Paixão, Portuguese, Tractor Sazi F.C., Iran Pro League