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It was reformed on 1 August 1921 , as the 113th Observation Squadron , and is one of the 29 original National Guard Observation Squadrons of the United States Army National Guard formed before World War II .
 organization: 113th Observation Squadron; organization: Guard Observation; organization: United States Army National Guard
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: 113th Observation Squadron, Guard Observation, United States Army National Guard 
Answer:
 organization: 113th Observation Squadron; organization: Guard Observation; organization: United States Army National Guard