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.

Context: The Hughes D-2 was an American fighter and bomber project begun by Howard Hughes as a private venture. It never proceeded past the flight testing phase but was the predecessor of the Hughes XF-11. The only D-2 was completed in 19421943.
Question: The document can be classified to which topic?
Options: 1)NaturalPlace, 2)Athlete, 3)Company, 4)Film, 5)MeanOfTransportation
5