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 NZR RM class Vulcan railcars were operated by the New Zealand Government Railways (NZR) in the South Island of New Zealand. All New Zealand railcars were classified as RM (Rail Motor) and this class derived their nomenclature from the name of the manufacturer the Vulcan Foundry of Britain.

6