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He was opposed by Democrat  Jeff Merkley  the Speaker of the Oregon House of Representatives and David Brownlow of the Constitution Party of  Oregon  .
 Jeff Merkley, Oregon
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:
 Jeff Merkley, Oregon