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In opposition to the classical model of change as illusory ( as argued by Parmenides ) or accidental ( as argued by Aristotle ) , process philosophy regards change as the cornerstone of reality - the cornerstone of being thought of as becoming .
 person: Parmenides; person: Aristotle
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Parmenides, Aristotle 
Answer:
 person: Parmenides; person: Aristotle