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' . . all smiles are wry , looks incredulous and chuckles grim ' - David Sexton 's Dan Brown take-down http://t.co/V3TSpvV7ae
 David Sexton, Dan Brown
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 David Sexton, Dan Brown