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As the U.S. Park Police is part of the United States Department of the Interior pilot Donald W. Usher and paramedic Melvin E. Windsor also received the Interior Department's Valor Award presented in a special ceremony soon after the accident by Secretary of the  Interior   James G. Watt  .
 employee of: Interior, James G. Watt
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, James G. Watt