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Biography The Brazilian violinist Pedro Barreto was born on 04.9.1991 in Campinas , São Paulo state , Brazil .
 Pedro Barreto, Campinas, São Paulo state, Brazil
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Pedro Barreto, Campinas, São Paulo state, Brazil