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:  MV Lochearn was the David MacBrayne Ltd mail steamer serving Barra and South Uist from Oban between 1930 and 1955. She became the Sound of Mull mail steamer until 1964 when she was superseded by a new generation of car ferry.

6