Task: Text Categorization
Input (English): Context: The Cerkno Hills (Slovene: Cerkljansko hribovje or Cerkljansko) is a transitional region between the Alpine and the Dinaric landscape centered on Cerkno in northwestern Slovenia. Several passes in this area connect the Poljane Valley and the Selca Valley with the Idrijca Valley and the Soča Valley. The highest peak is Porezen (1630 metres or 5350 feet).The landscape is geologically very diverse and one of the most interesting in Slovenia in this regard.
Question: The document can be classified to which topic? 
Options: 1)NaturalPlace, 2)Plant, 3)Building, 4)Company, 5)Animal
Output (English): 1