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.

Text:  The Tiur River is a tributary of the Târnava River in Romania.
8

Text:  Heuristic Park Inc. is an American video game developer company founded in 1995 by David W. Bradley. The company is based in Atlanta Georgia.
1

Text:  The Avers Rhine (German: Averserrhein Romansh: Ragn da Ferrera) is a tributary of the Hinterrhein in the Swiss Canton of Graubünden.

8