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 Dornier Do 19 was a German four-engine heavy bomber that first flew on October 28 1936. Only one prototype flew and it was converted to a transport in 1938. The other two were scrapped.The Luftwaffe had a shortcoming in the lack of an efficient heavy bomber fleet. Generalleutnant Walther Wever the Luftwaffe's first Chief of Staff was the most persistent advocate of a German long-range strategic bomber fleet.

6