Task: Text Categorization
Input (English): Context: German submarine U-79 was a Type VIIC U-boat of the Kriegsmarine built by the Bremer Vulkan-Vegesacker Werft Bremen-Vegesack. Her keel was laid down on 17 April 1940 by Bremer Vulkan of Bremen-Vegesack Germany as 'werk' 7. She was launched on 25 January 1941 and commissioned on 13 March with Kapitänleutnant Wolfgang Kaufmann in command until the U-boat's loss.The boat was sunk on 23 December 1941 north of Sollum by two British warships.
Question: The document can be classified to which topic? 
Options: 1)Company, 2)Athlete, 3)MeanOfTransportation, 4)OfficeHolder, 5)Animal
Output (English): 3