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Continuing their travels , the two come across a universe where singer and performer Frank Sinatra was never born , resulting in the loss of the 1960 presidential election by President John F. Kennedy to then-Vice President Richard Nixon , which causes World War III .
 person: Frank Sinatra; person: John F. Kennedy; person: Richard Nixon; event: World War III
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: Frank Sinatra, John F. Kennedy, Richard Nixon, World War III 
Answer:
 person: Frank Sinatra; person: John F. Kennedy; person: Richard Nixon; event: World War III