7473
He soon clashed with Secretary of the  Interior   Ethan A. Hitchcock  over land matters .
 Interior, Ethan A. Hitchcock
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 Interior, Ethan A. Hitchcock