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São Sebastião do Umbuzeiro is the southernmost town in the Brazil ian state of Paraíba .
 São Sebastião, Umbuzeiro, Brazil, Paraíba
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 São Sebastião, Umbuzeiro, Brazil, Paraíba