Task: Text Categorization
Input (English): Context: Valukkai Aru is a seasonal river in Northern Province Sri Lanka. It is the only river on the Jaffna Peninsula. The river rises near Tellippalai before flowing south-west through Kandarodai Sandilipay and Vaddukoddai. The river empties into Jaffna Lagoon near Araly.
Question: The document can be classified to which topic? 
Options: 1)OfficeHolder, 2)Album, 3)NaturalPlace, 4)Company
Output (English): 3