30025
Also in the 17th century , Girard Desargues , motivated by the theory of perspective , introduced the concept of idealized points , lines , and planes at infinity .
 person: Girard Desargues
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: Girard Desargues 
Answer:
 person: Girard Desargues