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J.R. Curtis had been playing in the band Brazil with vocalist Scott Kidd " aka " Uncle Scotty from Metal Blade Records artist Overkill L.A. and working on a material with Mercury Records recording artists Legs Diamond vocalist Rick Sanford .
 organization: Metal Blade Records; organization: Mercury Records
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Metal Blade Records, Mercury Records 
Answer:
 organization: Metal Blade Records; organization: Mercury Records