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He also named an old friend , an oil business associate , Don Evans as Secretary of Commerce .
 He, an old friend, an oil business associate, Don Evans, Secretary of Commerce
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 He, an old friend, an oil business associate, Don Evans, Secretary of Commerce