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Anne-Catherine de Ligniville , Madame Helvétius
 Anne-Catherine de Ligniville , Madame Helvétius
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Anne-Catherine de Ligniville , Madame Helvétius