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He contributed an essay to the catalogue of the Bacon centennial retrospective exhibition shown in 2008-2009 at Tate Britain , the Prado in Madrid and the Metropolitan Museum of Art in New York .
 Bacon, Tate Britain, Prado, Metropolitan Museum of Art
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Bacon, Tate Britain, Prado, Metropolitan Museum of Art