49408
RDX had been tested by Picatinny Arsenal in 1929 , and it was regarded as too expensive and too sensitive .
 location: Picatinny Arsenal
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: Picatinny Arsenal 
Answer:
 location: Picatinny Arsenal