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Khmer Rouge  leader  Pol Pot  knew spying confessions from tortured prisoners were false the regime's jail chief told Cambodia's UN-backed war crimes trial Tuesday .
 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