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He later worked in the executive branch during the Bill Clinton and George W. Bush administrations where he became the deputy chief of staff to U.S. Secretary of  Agriculture   Dan Glickman  and served as a liaison to the U.S. Department of Agriculture .
 employee of: Agriculture, Dan Glickman
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:  Agriculture, Dan Glickman 
Answer:
 employee of: Agriculture, Dan Glickman