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Cooper has acknowledged that the character of Campbell-Black is based upon Andrew Parker Bowles , the ex-husband of Camilla , Duchess of Cornwall .
 Cooper, Andrew Parker Bowles, Camilla , Duchess of Cornwall
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Cooper, Andrew Parker Bowles, Camilla , Duchess of Cornwall