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Ieng Sary was sentenced to death in absentia for his role in the mass genocide in Cambodia during the Khmer Rouge rule of terror between 1975-1979 when over a million people were executed or died of starvation , disease or overwork in mass labour camps .
 person: Ieng Sary; organization: Khmer Rouge; location: Cambodia
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
 Entities: Ieng Sary, Khmer Rouge, Cambodia 
Answer:
 person: Ieng Sary; organization: Khmer Rouge; location: Cambodia