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In a magazine interview published in April , he accused Barcelona 's Lionel Messi of racially abusing him on more than one occasion , repeatedly addressing him as " negro " .
 Barcelona, Lionel Messi
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Barcelona, Lionel Messi