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The train 's appeal was not limited to those in the entertainment industry , as it also played host to former presidents Harry S. Truman and Dwight D. Eisenhower , and their wives .
 Harry S. Truman, Dwight D. Eisenhower
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Harry S. Truman, Dwight D. Eisenhower