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In addition to recent contemporary art , the gallery also specializes in works by Nouveaux réalistes such as Arman , César or Jacques Villeglé .
 Arman, César, Jacques Villeglé
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Arman, César, Jacques Villeglé