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He  previously served as VA Assistant Secretary for Congressional and Legislative Affairs from 2001 to 2004 and was Acting Secretary of  Veterans Affairs  from October to December 2007 .
 employee of: He, Veterans Affairs
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:  He, Veterans Affairs 
Answer:
 employee of: He, Veterans Affairs