Task: Text Categorization
Input (English): Context: The Mill Creek is a 19-mile (31 km) long tributary of Lake Erie in Erie County in the U.S. state of Pennsylvania. It flows from Millcreek Township through the city of Erie into Presque Isle Bay. Much of the creek in the city was channeled into the Mill Creek Tube which was constructed after the Mill Creek's disastrous flood struck the city in 1915.
Question: The document can be classified to which topic? 
Options: 1)Athlete, 2)NaturalPlace, 3)Animal, 4)WrittenWork, 5)OfficeHolder
Output (English): 2