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When asked , Norman Granz would cite " complex contractual reasons " for the fact that the two artists never recorded together .
 person: Norman Granz
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: Norman Granz 
Answer:
 person: Norman Granz