Task: Text Categorization
Input (English): Context: Teriberka River (Russian: Териберка; Kildin Sami: Терберк) is a river in the north of the Kola Peninsula in Murmansk Oblast Russia. It is 127 km in length and flows into the Barents Sea about 50 km east of Murmansk. The area of its drainage basin is 2227 km².There are two hydroelectric power stations on the Teriberka River with a total capacity of 157 MW and an annual production of 290 GWh[citation needed]. The village of Teriberka is located at its mouth.
Question: The document can be classified to which topic? 
Options: 1)NaturalPlace, 2)MeanOfTransportation, 3)OfficeHolder, 4)EducationalInstitution
Output (English): 1