844
In 1972 , he tried his luck in Brazil for a second time , but returned to Nacional in Uruguay after only one season at Fluminense .
 Brazil, Nacional, Uruguay, Fluminense
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, Nacional, Uruguay, Fluminense