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Without Witness ( , ) is a 1983 Soviet drama film directed by Nikita Mikhalkov .
 person: Nikita Mikhalkov
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: Nikita Mikhalkov 
Answer:
 person: Nikita Mikhalkov