197154
Development and design In autumn 1915 , as well as the big , cannon armed , Vickers E.F.B. 7 , Vickers were working on the design of a second twin-engined fighter , the E.F.B. 8 ( Experimental Fighting Biplane No. 8 ) .
 organization: Vickers; organization: Vickers
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: Vickers, Vickers 
Answer:
 organization: Vickers; organization: Vickers