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: German submarine U-537 was a Type IXC/40 U-boat of Nazi Germany's Kriegsmarine built for service during World War II. Her keel was laid down on 10 April 1942 by Deutsche Werft in Hamburg. She was commissioned on 27 January 1943 with Kapitanleutnant Peter Schrewe in command.
Question: The document can be classified to which topic?
Options: 1)EducationalInstitution, 2)Film, 3)Building, 4)Animal, 5)MeanOfTransportation
Output:
5