Instructions: In this task, you are given a text which is the body of a document. You are given a question and options. Pick the correct number. Don't generate anything else apart from the numbers provided in options.
Input: Context: The Breguet 460 Vultur was a French bomber of the 1930s. Few of these twin-engined monoplanes and its variant the Breguet 462 Vultur were built. At least one Breguet 460 was sold to the Spanish Republican Air Force during the Spanish Civil War.
Question: The document can be classified to which topic?
Options: 1)Film, 2)Company, 3)Plant, 4)MeanOfTransportation, 5)Artist
Output:
4