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Early modern views on emotion are developed in the works of philosophers such as René Descartes , Niccolò Machiavelli , Baruch Spinoza , Thomas Hobbes and David Hume .
 person: René Descartes; person: Niccolò Machiavelli; person: Baruch Spinoza; person: Thomas Hobbes; person: David Hume
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: René Descartes, Niccolò Machiavelli, Baruch Spinoza, Thomas Hobbes, David Hume 
Answer:
 person: René Descartes; person: Niccolò Machiavelli; person: Baruch Spinoza; person: Thomas Hobbes; person: David Hume