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Although the experts were invited by Nelson Rockefeller , their proposal ran contrary to the policy of the Eisenhower administration .
 person: Nelson Rockefeller; person: Eisenhower
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Nelson Rockefeller, Eisenhower 
Answer:
 person: Nelson Rockefeller; person: Eisenhower