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There were reports of factions in the NADK such as one loyal to  Khieu Samphan  prime minister of the defunct regime of  Democratic Kampuchea  and his deputy Ieng Sary and another identified with Pol Pot and Ta Mok ( the Southwestern Zone commander who conducted extensive purges of party ranks in Cambodia in 1977 to 1978 ) .
 employee of: Khieu Samphan, Democratic Kampuchea
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 employee of: Khieu Samphan, Democratic Kampuchea