13708
Investigators discovered a culture of substance abuse and promiscuity in one section of the Lakewood office  Interior  Inspector General Earl E. Devaney wrote in a letter to Interior Secretary  Dirk Kempthorne  .
 employee of: Interior, Dirk Kempthorne
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "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} 
Answer:
 employee of: Interior, Dirk Kempthorne