Task: Text Categorization
Input (English): Context: SM UC-15 was a German Type UC I minelayer submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. The U-boat was ordered on 23 November 1914 laid down on 28 January 1915 and was launched on 19 May 1915. She was commissioned into the German Imperial Navy on 28 June 1915 as SM UC-15. Mines laid by UC-15 during her 8 patrols are credited with sinking 2 ships. UC-15 disappeared in November 1916.
Question: The document can be classified to which topic? 
Options: 1)Athlete, 2)Village, 3)Artist, 4)MeanOfTransportation, 5)Album
Output (English): 4