13814
Since 1937 he served as the commander of the Pomeranian Cavalry Brigade .
 organization: Pomeranian Cavalry Brigade
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 Cavalry Brigade 
Answer:
 organization: Pomeranian Cavalry Brigade