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:  Copperas Mine Fork is a tributary of Island Creek 9.3 miles (15.0 km) long in southern West Virginia in the United States. Via Island Creek and the Guyandotte and Ohio rivers it is part of the watershed of the Mississippi River draining an area of 45.4 square miles (118 km2) in a rural area on the unglaciated portion of the Allegheny Plateau in the Logan Coalfield.

8