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He did not score in his first 15 games for Mauricio Pochettino 's team , ending the drought on 9 January 2011 when as a substitute he concluded a 4 – 0 home win over former team Zaragoza , assisted by his namesake Luis .
 person: Mauricio Pochettino; organization: Zaragoza; person: Luis
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Mauricio Pochettino, Zaragoza, Luis 
Answer:
 person: Mauricio Pochettino; organization: Zaragoza; person: Luis