Q: 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: HMS Nightingale was a 16-gun brig-sloop of the Seagull class of the British Royal Navy launched in July 1805. She served during the Napoleonic Wars primarily in the North Sea where she captured a number of merchant vessels. The Navy sold her in 1815.
Question: The document can be classified to which topic?
Options: 1)Company, 2)Film, 3)Animal, 4)MeanOfTransportation, 5)NaturalPlace
A:
4