214944
( 394.6 kg ) Mark 15 armor piercing shell 24,000 yards ( 21,950 meters ) at an elevation of 14.7 ° , while the " barrel life " of the guns was 200 shots .
 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