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His self-belief manifested itself in terms of his " affinity with war " of which , according to Sebastian Haffner , he exhibited " a profound and innate understanding " .
 person: Sebastian Haffner
Please list all entity words in the text that fit the category.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} 
Answer:
 person: Sebastian Haffner