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KT Corporation ( trading as KT formerly Korea Telecom , Korean : 케이티 ( formerly 한국통신 ) , is a South Korea n integrated wired/wireless telecommunication service provider .
 organization: KT Corporation; organization: KT; location: Korea; location: South Korea
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: KT Corporation, KT, Korea, South Korea 
Answer:
 organization: KT Corporation; organization: KT; location: Korea; location: South Korea