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Public Hero No. 1 is a black-and-white crime film released in 1935 by MGM .
 organization: MGM
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: MGM 
Answer:
 organization: MGM