Task: Text Categorization
Input (English): Context: The Bloch MB.170 and its family of derivatives were French reconnaissance bombers designed and built shortly before World War II. They were by far the best aircraft of this type available to the Armée de l'Air at the outbreak of the war with speed and maneuverability that allowed them to evade interception by the German fighters of the time. Although the aircraft could have been in service by 1937 debate over what role to give the aircraft delayed deliveries until 1940.
Question: The document can be classified to which topic? 
Options: 1)Album, 2)Animal, 3)Plant, 4)Building, 5)MeanOfTransportation
Output (English): 5