13398
Following Senate confirmation she was sworn into office on October 17 2006 by United States Secretary of the  Interior   Dirk Kempthorne  at Independence Square in Philadelphia Pennsylvania .
 employee of: Interior, Dirk Kempthorne
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:  Interior, Dirk Kempthorne 
Answer:
 employee of: Interior, Dirk Kempthorne