Task: Text Categorization
Input (English): Context: The Radika (Macedonian and Serbian: About this sound Радика  Radika; Albanian: Radikes) is a river in southern Kosovo and western Macedonia a 70 km (43 mi)-long right tributary to the Black Drin river.The Radika proper is 52 km (32 mi) long but measured from the most distant source in its watershed that of the Crni Kamen river it is 70 km (43 mi) long.
Question: The document can be classified to which topic? 
Options: 1)MeanOfTransportation, 2)NaturalPlace, 3)Company, 4)Animal, 5)WrittenWork
Output (English): 2