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 C28 was a British C class submarine built by Vickers Barrow. She was laid down on 6 March 1908 and was commissioned on 14 August 1909.HMS C28 was sold on 25 August 1921 in Sunderland.
Question: The document can be classified to which topic?
Options: 1)Building, 2)Plant, 3)MeanOfTransportation, 4)Album, 5)WrittenWork
3