Detailed Instructions: 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: Ground Zero is a 1987 Australian drama-thriller about a cinematographer who prompted by curiosity about some old film footage taken by his father embarks on a quest to find out the truth about British nuclear tests at Maralinga. It stars actors Colin Friels Jack Thompson and Indigenous activist Burnum Burnum.
A:
13