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Interior  Secretary  Dirk Kempthorne  facing a court deadline because of the groups ' earlier lawsuit had announced Wednesday that polar bears would be listed as threatened under the Endangered Species Act .
 Interior, Dirk Kempthorne
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, Dirk Kempthorne