13830
In an interview with CNN Mullen the chairman of the US joint chiefs on staff said  North Korean  leader  Kim Jong-Il  's unpredictability made it difficult to understand the regime's motivations .
 employee of: North Korean, Kim Jong-Il
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: North Korean, Kim Jong-Il