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 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 . 
 place of birth: James P. Hoffa, Detroit
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: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
Answer:
 place of birth: James P. Hoffa, Detroit