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A philosopher of the Age of Enlightenment ( 18th century ) , Immanuel Kant held that there were things that should not be discussed in terms of value , and that these things could be said to have dignity .
 time: Age of Enlightenment; person: Immanuel Kant
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: Age of Enlightenment, Immanuel Kant 
Answer:
 time: Age of Enlightenment; person: Immanuel Kant