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 hybrid cultivar Ulmus 'Den Haag' is a Dutch development derived from a crossing of the Siberian Elm Ulmus pumila and the Belgian Elm Ulmus × hollandica 'Belgica' in 1936 by S. G. A. Doorenbos (1891-1980) Director of Public Parks in The Hague.

11