Task: Text Categorization
Input (English): Context: The Stemme S10 is a self-launching sailplane produced by Stemme AG in Strausberg (Germany) since the 1980s. The engine is mounted amidships and it features an unusual folding propeller which is stowed inside the aircraft's nose-cone when the engine is not in use.
Question: The document can be classified to which topic? 
Options: 1)Athlete, 2)EducationalInstitution, 3)Village, 4)WrittenWork, 5)MeanOfTransportation
Output (English): 5