20397
But there has also been an attempt to establish through fiat what has not been established by fact : last year , Senator John McCain of Arizona , on behalf of several tribes , proposed an amendment to the protection act ; it would ensure that ancient remains would automatically qualify as Indian remains , without requiring ancestral proof .
 John McCain, Arizona
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 McCain, Arizona