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Among others believed to be getting close looks from McCain : Minnesota Gov. Tim Pawlenty former Massachusetts Gov. Mitt Romney and former  Ohio  Rep.  Rob Portman  for McCain .
 employee of: Ohio, Rob Portman
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "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} 
Answer:
 employee of: Ohio, Rob Portman