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In a 2009 article , the legal scholars Cass Sunstein and Adrian Vermeule considered a number of possible government responses to conspiracy theories , including censorship and taxation .
 Cass Sunstein, Adrian Vermeule
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Cass Sunstein, Adrian Vermeule