Task: Text Categorization
Input (English): Context: This article is about an aircraft of World War I. For the pre-war design of the same designation see Breguet Type IV.The Breguet Bre.4 also known variously as the Type IV and BUM was a French biplane bomber of World War I. A fighter version of it also was produced as the BUC and BLC; some of these saw service with the British Royal Navy which called them 'the Breguet 'de Chasse.
Question: The document can be classified to which topic? 
Options: 1)NaturalPlace, 2)MeanOfTransportation, 3)OfficeHolder, 4)Animal, 5)EducationalInstitution
Output (English): 2