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He won a silver medal in the C-1 team event at the 2007 ICF Canoe Slalom World Championships in Foz do Iguaçu and a bronze medal in the same event at the 2008 European Championships in Kraków .
 Foz do Iguaçu, Kraków
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Foz do Iguaçu, Kraków