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The painting is Matisse 's most important work in which he used the Divisionist technique advocated by Signac , which Matisse had first adopted after reading Signac 's essay , " D'Eugène Delacroix au Néo-impressionisme " in 1898 .
 person: Matisse; person: Signac; person: Matisse; person: Signac
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: Matisse; person: Signac; person: Matisse; person: Signac