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.

Q: Text:  SM U-25 was one of the 329 submarines serving in the Imperial German Navy in World War I. U-25 was engaged in the naval warfare and took part in the First Battle of the Atlantic.

A: 6
****
Q: Text:  Quechuamyia is a genus of crane fly in the family Limoniidae.

A: 10
****
Q: Text:  Sam Thomas Winnall (born 19 January 1991) is an English footballer who plays as a striker for Scunthorpe United.

A:
4
****