45136
Senator John McCain of Arizona is about to form an exploratory committee for a possible presidential campaign , advisers said , taking a concrete step toward a full-blown campaign in 2008 .
 place lived: John McCain, Arizona
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
 Entity Pairs:  John McCain, Arizona 
Answer:
 place lived: John McCain, Arizona