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This probably influenced the theory of numbers of Pythagoras , who believed that behind the appearance of things there was the permanent principle of mathematics .
 person: Pythagoras
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: Pythagoras 
Answer:
 person: Pythagoras