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The Azul River ( Rio Grande do Sul ) is a river of Rio Grande do Sul state in southern Brazil .
 location: Rio Grande; location: Sul; location: Rio Grande do Sul; location: Brazil
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Rio Grande; location: Sul; location: Rio Grande do Sul; location: Brazil