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In this article , we will use the term " regular " freely , but we will usually say " regular Hausdorff " , which is unambiguous , instead of the less precise " T " .
 person: Hausdorff
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: Hausdorff 
Answer:
 person: Hausdorff