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President Dwight D. Eisenhower issued the first proclamation on March 1 , 1954 , standardizing the dates and time periods for flying the flag at half-staff from all federal buildings , grounds , and naval vessels ; other congressional resolutions and presidential proclamations ensued .
 person: Dwight D. Eisenhower
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Dwight D. Eisenhower 
Answer:
 person: Dwight D. Eisenhower