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:  Heart Lake Michigan is located in Otsego County in northern Michigan about 9 miles (14 km) south of Gaylord just west of Interstate 75. Heart Lake is so named due to its irregular shape of a valentine heart.Heart Lake comprises about 63 acres (0.3 km2) has a maximum depth of 123 feet (37 m). The lake is a classic example of a kettle lake many of which dot the landscape in this area.

8