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The airfield provided support for Army One from 1957 to 1976 for presidents Dwight Eisenhower , John F. Kennedy , Lyndon Johnson , Richard Nixon , and Gerald Ford .
 person: Dwight Eisenhower; person: John F. Kennedy; person: Lyndon Johnson; person: Richard Nixon; person: Gerald Ford
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: Dwight Eisenhower, John F. Kennedy, Lyndon Johnson, Richard Nixon, Gerald Ford 
Answer:
 person: Dwight Eisenhower; person: John F. Kennedy; person: Lyndon Johnson; person: Richard Nixon; person: Gerald Ford