61408
Most of the equipment that should be battle ready is in dire condition , old , rusty or non-functional , the rest about 50,000 tons of what was sold as scrap " can be found in some of the scrap depots near the railroad in Sofia including battle tanks , artillery , and other battle soviet era equipment .
 location: Sofia
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: Sofia 
Answer:
 location: Sofia