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The most common theory holds that the idea of centaurs came from the first reaction of a non-riding culture , as in the Minoan Aegean world , to nomads who were mounted on horses .
 Minoan Aegean
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Minoan Aegean