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:  USRC Walter Forward (1841) was a schooner constructed for service with the United States Revenue Marine. She served with the U.S.Navy in Mexican waters during the Mexican-American War and was after the war was temporarily transferred to the U.S. Coast Survey as USC&GS Walter Forward before being returned to the U.S. Revenue Marine for service during the American Civil War.

6