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Together they shared new approaches to art , painting the effects of light " en plein air " with broken colour and rapid brushstrokes , in what later came to be known as Impressionism .
 organization: Impressionism
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Impressionism 
Answer:
 organization: Impressionism