Task: Text Categorization
Input (English): Text:  The Doterel class was a Royal Navy class of screw-driven sloops. They were of composite construction with wooden hulls over an iron frame. They were a revised version of an 1874 design by the Royal Navy's Chief Constructor William Henry White the Osprey-class sloop. Two of the class were lost one to an explosion off Chile and one wrecked off Canada. Gannet is preserved at Chatham Historic Dockyard.
Output (English): 6