Task: Text Categorization
Input (English): Context: Porth is a crater on the planet Mars. It is named after the town of Porth Rhondda Cynon Taff south Wales United Kingdom. It is located at 21.4°N 255.9°W and has a diameter of 9.3 km.
Question: The document can be classified to which topic? 
Options: 1)Plant, 2)Building, 3)MeanOfTransportation, 4)NaturalPlace
Output (English): 4