36704
Four days after the midterm elections , Senator John Kerry of Massachusetts , a former Democratic presidential nominee vying to play that role again , flew to Greenville , S.C. His running mate in 2004 , former Senator John Edwards , appeared in Columbia , S.C. , the next weekend .
 John Kerry, Massachusetts
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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} 
Answer:
 John Kerry, Massachusetts