Task: Text Categorization
Input (English): Context: The Ravin 500 is a South African amateur-built aircraft designed and produced by Ravin Aircraft of Pretoria. The aircraft first flew on 15 September 2002 and is supplied as a kit for amateur construction or as a complete ready-to-fly aircraft.
Question: The document can be classified to which topic? 
Options: 1)Building, 2)NaturalPlace, 3)OfficeHolder, 4)Plant, 5)MeanOfTransportation
Output (English): 5