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At this stage , he forges a great reputation for personally discovering Dani Alves , a young talented player who he insists in signing after seeing him in action in the U20 tournament of Alcudia and the South American tournament U20 ( Uruguay 2003 ) .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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