Given the task definition and input, reply with output. 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: USS L. Mendel Rivers (SSN-686) a Sturgeon-class attack submarine in commission from 1975 to 2001 is the only ship of the United States Navy thus far to have been named for L. Mendel Rivers (19051970) U.S. Representative from South Carolina's 1st Congressional District (19411970).
Question: The document can be classified to which topic?
Options: 1)Animal, 2)Film, 3)Building, 4)MeanOfTransportation, 5)Artist
4