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Zambia Congress of Trade Unions ( ZCTU ) is the dominant central trade union federation in Zambia .
 organization: Zambia Congress; organization: Trade Unions; location: Zambia
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: Zambia Congress, Trade Unions, Zambia 
Answer:
 organization: Zambia Congress; organization: Trade Unions; location: Zambia