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He introduced for the purpose the Schubert calculus , which has proved of fundamental geometrical and topological value in broader areas .
 person: Schubert
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: Schubert 
Answer:
 person: Schubert