166514
The 12th Cavalry is a cavalry regiment of the United States Army .
 organization: 12th Cavalry; organization: United States Army
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: 12th Cavalry, United States Army 
Answer:
 organization: 12th Cavalry; organization: United States Army