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 United States Coast Guard Cutter Fir (WAGL/WLM 212) was the last lighthouse tender built specifically for the United States Lighthouse Service to resupply lighthouses and lightships and to service buoys. Fir was built by the Moore Drydock Company in Oakland California in 1939. On 22 March 1939 the U.S. Lighthouse Tender Fir was launched.
Question: The document can be classified to which topic?
Options: 1)Company, 2)Village, 3)OfficeHolder, 4)MeanOfTransportation
4