You will be given a definition of a task first, then some input of the task.
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: Sumida () was a Fushimi-class gunboat of the Imperial Japanese Navy. She should not be confused with the earlier gunboat Sumida. Operated on the Yangtze River; damaged by five fighters on 22 June 1942 at Cheng-ling-Chi her captain and 11 crewmen killed; Temporary repairs were made at Hangkow June 24-July 3 1942. Repaired at Shanghai July 10-25. An air raid by 8 B-24s on Hankow on 22 June 1944 damaged her again and killed eight crewmen.
Question: The document can be classified to which topic?
Options: 1)Album, 2)OfficeHolder, 3)Village, 4)WrittenWork, 5)MeanOfTransportation
Output:
5