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Black and white have often been used to describe opposites such as good and evil , the Dark Ages versus Age of Enlightenment , and night versus day .
 time: Dark Ages; time: Age of Enlightenment; time: night; time: day
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: Dark Ages, Age of Enlightenment, night, day 
Answer:
 time: Dark Ages; time: Age of Enlightenment; time: night; time: day