Detailed Instructions: 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.
Q: 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
A:
5