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His only son Sean an actor and later a noted war correspondent disappeared in Cambodia in 1970 during the Vietnam War while working as a freelance photojournalist for Time magazine.The search for  Sean Flynn  continues : Magazine : mensvogue.com Flynn was presumed dead in 1971 probably murdered by the  Khmer Rouge  .
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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:
 NA: Sean Flynn, Khmer Rouge