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This has led to an explosion of the works on the subject , most notably by Richard Overy , David Glantz and Antony Beevor .
 person: Richard Overy; person: David Glantz; person: Antony Beevor
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: Richard Overy, David Glantz, Antony Beevor 
Answer:
 person: Richard Overy; person: David Glantz; person: Antony Beevor