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The Japan Times -- Campaigning officially kicked off Wednesday for the Sept. 14  Democratic Party of Japan  presidential election with  Prime Minister  Naoto Kan trying to keep the helm and DPJ kingpin Ichiro Ozawa seeking to wrest it from him .
 top members employees: Democratic Party of Japan, Prime Minister
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: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 top members employees: Democratic Party of Japan, Prime Minister