131131
Discovered in 1933 , it contains a number of paleolithic cave paintings , and is most notable for a series of paintings depicting what some have argued is the earliest representation of human understanding of the reproductive process , featuring images of copulation ( perhaps mediated by a mysterious shaman figure ) , pregnancy , childbirth , and family life .
 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