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James Keogh ( October 28 , 1916 - May 10 , 2006 ) was the executive editor of Time magazine and the head of the White House speechwriting staff under Richard M. Nixon .
 person: Keogh; person: Richard M. Nixon
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: Keogh, Richard M. Nixon 
Answer:
 person: Keogh; person: Richard M. Nixon