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Those who insist there is a logical gulf between facts and values , such that it is fallacious to attempt to derive values from facts , include G. E. Moore , who called attempting to do so the naturalistic fallacy .
 G. E. Moore
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 G. E. Moore