21874
The first verse of the song reads as follows : " Black Baron " was a nickname of Wrangel 's , from the alleged penchant of his for wearing ( and dressing some of his elite units in ) black uniforms .
 person: Wrangel
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: Wrangel 
Answer:
 person: Wrangel