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On September 1 , 1939 , parts of the 18th Regiment of Pomeranian Uhlans made the legendary charge at Krojanty , during which unit 's commandant , Colonel Kazimierz Mastalerz was killed .
 organization: Pomeranian; person: Kazimierz Mastalerz
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: Pomeranian, Kazimierz Mastalerz 
Answer:
 organization: Pomeranian; person: Kazimierz Mastalerz