Definition: In this task, you are given a text which is the body of a document. Your job is to classify the topic of the document into these categories: 1)Company, 2)Educational Institution, 3)Artist, 4)Athlete, 5)Office Holder, 6)Mean of transportation, 7)Building, 8)Natural place, 9)Village, 10)Animal, 11)Plant, 12)Album, 13)Film, 14)Written work. Your output should be the category number. Don't generate anything apart from numbers 1-14.
Input: 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.

6