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The 2nd Cavalry Division was a regular British Army division that saw service in World War I .
 organization: 2nd Cavalry; organization: British Army division
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 Army division 
Answer:
 organization: 2nd Cavalry; organization: British Army division