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Zeff popularized it in the psychotherapeutic community , dubbing it " Adam " because he believed it returned one to a state of primordial innocence .
 person: Zeff
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: Zeff 
Answer:
 person: Zeff