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The United States will propose  Robert Zoellick  a former US trade representative and  State  Department official as the next head of the World Bank a senior administration official said Tuesday .
 Robert Zoellick, State
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 Robert Zoellick, State