105813
There had been an arsenal on the site for half a century but it was a fairly small , half-timbered building , one of several such arsenals spread across the city , and it was now outdated .
 None
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:  
Answer:
 None