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The Raduga Kh-20 ( NATO reporting name : AS-3 Kangaroo ) was a cruise missile armed with a nuclear warhead which was developed by the Soviet Union during the Cold War .
 location: Soviet Union
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: Soviet Union 
Answer:
 location: Soviet Union