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He is noted for his facility at word play , logic , and fantasy , and there are societies in many parts of the world ( including the United Kingdom , Japan , the United States , and New Zealand ) dedicated to the enjoyment and promotion of his works and the investigation of his life .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None