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In March 1945 he was arrested by the NKVD and taken to Moscow , where he was put on trial together with 15 other representatives of the Polish authorities .
 organization: NKVD; location: Moscow; organization: Polish authorities
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: NKVD, Moscow, Polish authorities 
Answer:
 organization: NKVD; location: Moscow; organization: Polish authorities