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.
Input: Context: German submarine U-417 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II.She carried out one patrol. She did not sink or damage any ships.She was sunk by a British aircraft southeast of Iceland in June 1943.
Question: The document can be classified to which topic?
Options: 1)MeanOfTransportation, 2)EducationalInstitution, 3)Animal, 4)Plant, 5)Company
Output:
1