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Jean Nicolas Grou ( 23 November 1731 – 13 December 1803 ) was a French Roman Catholic mystic and spiritual writer .
 Jean, Grou, Roman Catholic
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Jean, Grou, Roman Catholic