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Noted primarily for his methodical approach to grappling , Dias also trains with noted fighters Jose Aldo , Renan Barão and Marlon Sandro .
 Dias, Jose Aldo, Renan Barão, Marlon Sandro
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Dias, Jose Aldo, Renan Barão, Marlon Sandro