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.
--------
Question: Context: The XN5N was a prototype United States monoplane trainer aircraft produced by the Naval Aircraft Factory in Philadelphia Pennsylvania in 1941. A single prototype was built and evaluated.The type was not placed in production.
Question: The document can be classified to which topic? 
Options: 1)NaturalPlace, 2)Company, 3)Film, 4)MeanOfTransportation, 5)Athlete

Answer: 4


Question: Context: The Hedwig von Wissmann was a German steamboat on Lake Tanganyika which became a feature in the story behind the film The African Queen. She was sister vessel to the larger Hermann von Wissmann on Lake Nyasa and like that vessel originally used as a gunboat against slavers. Hedwig von Wissmann was the wife of the German explorer and colonial administrator Hermann von Wissmann who had raised funds for both boats.On 12 August 1914 she was drafted for guard service on Lake Tanganyika.
Question: The document can be classified to which topic? 
Options: 1)MeanOfTransportation, 2)Athlete, 3)Album, 4)OfficeHolder

Answer: 1


Question: Context: The Clarke Cheetah was a single-engined amateur built aircraft built in the UK using some parts from a de Havilland Humming Bird to produce a machine that could fly either as a biplane or as a parasol winged monoplane. The single example flew for five years before being converted again in 1936.
Question: The document can be classified to which topic? 
Options: 1)Building, 2)Company, 3)Animal, 4)NaturalPlace, 5)MeanOfTransportation

Answer:
5