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:  Aristida stricta is a warm-season grass native to North America that dominates understory vegetation in sandhills and flatwoods coastal plain ecosystems of the Southeastern United States. It is known as wiregrass (due to its texture) and pineland three-awn grass.Its common name wiregrass gave rise to the naming of the Wiregrass Region in which it is located.This is a fast growing species that regenerates quickly after fires.

11