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He first studied painting and sculpture , working under Lecoq de Boisboudran , Augustin-Alexandre Dumont and François-Joseph-Hubert Ponscarme .
 person: Augustin-Alexandre Dumont
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Augustin-Alexandre Dumont