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Among those who have used it in this way are South African politicians Thabo Mbeki and Nkosazana Dlamini-Zuma Address by Minister Dlamini Zuma to the South African Institute of International Affairs Johannesburg 30 January 2001 Chevron CEO David J. O'Reilly US  Treasury  Secretary  Paul O'Neill  and celebrity campaigner Bono .
 employee of: Treasury, Paul O'Neill
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Treasury, Paul O'Neill 
Answer:
 employee of: Treasury, Paul O'Neill