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He explored a personal style and put it into practice ; painting nudes or portraits ( such as that of the poet Pierre Jean Jouve in 1909 ( Musée National d'Art Moderne ) .
 Pierre Jean Jouve
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Pierre Jean Jouve