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First held in 1957 , it is Britain 's most well-known competition for aimed solely at painters and is now part of the Liverpool Biennial , a city-wide celebration of the arts that encompasses the Tate Liverpool , Bluecoats Gallery and other venues in Liverpool .
 Liverpool, Tate Liverpool, Liverpool
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Liverpool, Tate Liverpool, Liverpool