68499
It was produced for export by Maxim-Nordenfelt ( later Vickers , Sons and Maxim ) in competition with the Elswick QF 12-pounder 12 cwt and QF 12-pounder 18 cwt guns .
 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