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Vasari , who is generally thought to have known the painting only by repute , said that " the smile was so pleasing that it seemed divine rather than human ; and those who saw it were amazed to find that it was as alive as the original .
 Vasari
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Vasari