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Until it closed for refurbishment in 2009 , this Grade II listed building contained the regimental museum of the Buffs ( the Royal East Kent Regiment ) as well as a gallery devoted to the 19th-century cattle painter Thomas Sidney Cooper .
 organization: Buffs ( the Royal East Kent Regiment ); person: Thomas Sidney Cooper
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: Buffs ( the Royal East Kent Regiment ); person: Thomas Sidney Cooper