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Her painting Boy with a Palette won a silver prize from the Old Salon , Paris when exhibited in 1920 , and was later hung at the Royal Academy of Arts , London .
 Paris, Royal Academy of Arts, London
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Paris, Royal Academy of Arts, London