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A Preferred List is a 1933 American short comedy film produced by Lou Brock .
 person: Lou Brock
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: Lou Brock 
Answer:
 person: Lou Brock