Teacher:In this task, you are given a text which is the body of a document. You are given a question and options. Pick the correct number. Don't generate anything else apart from the numbers provided in options.
Teacher: Now, understand the problem? Solve this instance: 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
Student:
5