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The operation Tuesday came a week after U.S.  National Intelligence  Director  John Negroponte  told a Senate committee that leaders of both al-Qaida and Afghanistan's former ruling Taliban militia were finding shelter in Pakistan's lawless frontier areas .
 employee of: National Intelligence, John Negroponte
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: National Intelligence, John Negroponte