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Under Napoleon Bonaparte , Bernier was assigned to negotiate the unification of nation and church in France with the Papal delegation of Pius VII .
 Napoleon Bonaparte, Bernier, Pius VII
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Napoleon Bonaparte, Bernier, Pius VII