184479
History On 2 February 1901 , Congress authorized the organization of the Twelfth Regiment of Cavalry , Army of the United States .
 organization: Regiment; organization: Cavalry
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: Regiment, Cavalry 
Answer:
 organization: Regiment; organization: Cavalry