80671
He is the first known individual to use deductive reasoning applied to geometry , by deriving four corollaries to Thales ' theorem .
 person: Thales
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: Thales 
Answer:
 person: Thales