137503
It was delivered to the United States Army Air Corps for tests on 6 October 1934 , and after modification , including fitting with a conventional fixed undercarriage , was accepted by the Air Corps .
 organization: United States Army Air Corps; organization: Corps
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: United States Army Air Corps, Corps 
Answer:
 organization: United States Army Air Corps; organization: Corps