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Born in Havana , " Laz " Barrera was one of nine brothers who went on to become involved in thoroughbred horse racing in the United States .
 Havana, Laz, Barrera, United States
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Havana, Laz, Barrera, United States