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Among these riders beginning 2010 in Portugal was reigning Tour de France champion ( and defending Volta ao Algarve champion ) Alberto Contador .
 person: Alberto Contador
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: Alberto Contador 
Answer:
 person: Alberto Contador