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.

Ex Input:
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

Ex Output:
4

Ex Input:
Context: The SS City of Johannesburg was a British merchant steamer sunk in the Second World War. She was built by Barclay Curle & Co of Whiteinch Glasgow for Ellerman Lines Ltd of London in 1920 originally being named SS Melford Hall. She was renamed SS City of Johannesburg in 1926 and was homeported in Liverpool.
Question: The document can be classified to which topic?
Options: 1)Athlete, 2)Company, 3)WrittenWork, 4)Plant, 5)MeanOfTransportation

Ex Output:
5

Ex Input:
Context: Passerina ericoides (Christmas Berry) is a threatened species of plant in the Thymelaeaceae family. It is indigenous to the coastal areas in and around the city of Cape Town South Africa. It is a medium-sized shrub with slightly succulent leaves red flowers and fleshy orange or red berries.It serves as an excellent plant for stabilising mobile sand dunes. Its strong extensive roots bind the sand and send up shoots elsewhere to do likewise.
Question: The document can be classified to which topic?
Options: 1)OfficeHolder, 2)Animal, 3)Artist, 4)Plant, 5)Film

Ex Output:
4