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:  Thunderbird Glacier is in Glacier National Park in the U.S. state of Montana. The glacier is situated on the east side Continental Divide below Thunderbird Mountain at an average elevation of 8000 feet (2400 m) above sea level. As of 2005 Thunderbird Glacier consisted of numerous ice patches covering a total of 58 acres (0.23 km2) which is over 33 percent smaller than it was in 1966.

8