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Colorado  Republican Sen.  Wayne Allard  said Monday he will not run for re-election in 2008 honoring a pledge he made in 1996 to serve only two six-year terms .
 employee of: Colorado, Wayne Allard
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:  Colorado, Wayne Allard 
Answer:
 employee of: Colorado, Wayne Allard