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:  Markov is a lunar impact crater that is located in the northwestern part of the moon’s near side in the Sinus Roris region of the Oceanus Procellarum. It lies to the south of the crater Oenopides and is connected to the continental region to the north by ridges along the northern rim.The rim of this crater is not appreciably eroded by impacts and retains a sharp edge at the crest.

8