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The album was released in October 1971 on RCA Victor Records and was produced by Bob Ferguson .
 organization: RCA Victor Records; person: Bob Ferguson
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: RCA Victor Records, Bob Ferguson 
Answer:
 organization: RCA Victor Records; person: Bob Ferguson