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In this respect , the book has elements explored later both in " Brave New World " by Aldous Huxley and " Nineteen Eighty-Four " by George Orwell .
 Brave New World, Aldous Huxley, Nineteen Eighty-Four, George Orwell
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Brave New World, Aldous Huxley, Nineteen Eighty-Four, George Orwell