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Explaining the album 's title , producer Bill Szymczyk wrote in the liner notes , " We got together , what I consider to be , some of the best young blues musicians in the country and locked ourselves in ' The Hit Factory ' for two nights .
 person: Bill Szymczyk
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: Bill Szymczyk 
Answer:
 person: Bill Szymczyk