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Cambodia on Tuesday quietly marked the 10-year anniversary of  Khmer Rouge  leader  Pol Pot  's death amid fears that time is running out to try his ageing surviving cadre before a genocide tribunal.Pol Pot the tyrant who turned Cambodia into the killing fields in the late 1970s died on April 15 1998 reportedly from heart attack in the remote northern Cambodian outpost of Anlong Veng the Khmer Rouge's final stronghold .
 employee of: Khmer Rouge, Pol Pot
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: Khmer Rouge, Pol Pot