Task: Text Categorization
Input (English): Context: Lake Lesina (Italian:Lago di Lesina or Laguna di Lesina) situated in the north of Puglia between Tavoliere delle Puglie and the promontory of Gargano is the ninth largest lake in Italy and the second of the southern part of the country. It is about 22 km long an average of 2.4 km wide and covers an area of 51.4 km².Two canals Acquarotta and Schiapparo link it to the Adriatic Sea from which it is separated by a dune known as Bosco Isola between 1 and 2 km in width and 16 km in length.
Question: The document can be classified to which topic? 
Options: 1)Athlete, 2)Company, 3)EducationalInstitution, 4)NaturalPlace
Output (English): 4