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Communists under the leadership of Nur Muhammad Taraki seized power in Afghanistan on April 27 , 1978 .
 person: Nur Muhammad Taraki; location: Afghanistan
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: Nur Muhammad Taraki, Afghanistan 
Answer:
 person: Nur Muhammad Taraki; location: Afghanistan