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:  Paspalum vaginatum is a species of grass known by many names including seashore paspalum biscuit grass saltwater couch silt grass and swamp couch in the English language grama de costa grama de mar gramilla blanca and gramón in Spanish herbe rampante in French and hai que bai (Chinese: 海雀稗; pinyin: hăiquèbài) in Chinese. It is native to the Americas where it grows in tropical and subtropical regions.

11