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There are theories that occurrences of camera obscura effects ( through tiny holes in tents or in screens of animal hide ) inspired paleolithic cave paintings .
 time: paleolithic
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: paleolithic 
Answer:
 time: paleolithic