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He studied under François Louis Joseph Watteau and Guillaume Guillon-Lethière .
 organization: François Louis Joseph Watteau; person: Guillaume Guillon-Lethière
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:
 organization: François Louis Joseph Watteau; person: Guillaume Guillon-Lethière