58581
In March 1916 the 2nd Indian Cavalry Division was attached to the British Fourth Army .
 organization: 2nd; organization: Cavalry; organization: British Fourth 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: 2nd, Cavalry, British Fourth Army 
Answer:
 organization: 2nd; organization: Cavalry; organization: British Fourth Army