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The Vickers E.F.B. 7 was a prototype British fighter aircraft of the First World War .
 organization: Vickers; location: British
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, British 
Answer:
 organization: Vickers; location: British