2707
Mr. Leedham is seeking to unseat James P. Hoffa , the president of the International Brotherhood of Teamsters and the son of the nation 's most famous -- some would say infamous -- union leader , James R. Hoffa , who disappeared in 1975 outside a restaurant in Detroit .
 James P. Hoffa, Detroit
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:
 James P. Hoffa, Detroit