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Natalie is talking a lot of sense. On Andrew Stone thinking he 'll be a judge on the X Factor : That 's madness to me. # CBB
 Natalie, Andrew Stone, X Factor
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Natalie, Andrew Stone, X Factor