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Alternatively it can be seen more broadly as part of the tradition of mystical literature described in William James ' " The Varieties of Religious Experience " and Aldous Huxley 's " The Perennial Philosophy " .
 person: William James; person: Aldous Huxley
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: William James, Aldous Huxley 
Answer:
 person: William James; person: Aldous Huxley