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In November 2005 Chalabi traveled to the U.S. and met with top U.S. government officials including Defense Secretary Donald H. Rumsfeld Vice President Dick Cheney Deputy Secretary of  State   Robert Zoellick  Secretary of State Condoleezza Rice and National Security Advisor Stephen Hadley .
 employee of: State, Robert Zoellick
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:  State, Robert Zoellick 
Answer:
 employee of: State, Robert Zoellick