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Among the Senate newcomers will be President Bush's former  Agriculture  secretary  Mike Johanns  a Republican leading in contest for the Nebraska Senate seat being vacated by retiring Republican Sen. Chuck Hagel .
 employee of: Agriculture, Mike Johanns
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Agriculture, Mike Johanns 
Answer:
 employee of: Agriculture, Mike Johanns