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Typical of these references is " Gödel , Escher , Bach " by Douglas Hofstadter , which accords the paradox a prominent place in a discussion of self-reference .
 person: Douglas Hofstadter
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: Douglas Hofstadter 
Answer:
 person: Douglas Hofstadter