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:  Return To The Border is a 2005 documentary film directed by Zhao Liang about his return to his hometown in China that borders the Yalu river and North Korea. The short film presents deep insight into both the Chinese and North Korean societies and changes that have taken place over the last several decades. First person interviews add depth to the local perceptions of life on both sides of the border.

13