Task: Text Categorization
Input (English): Context: The E501 series is an AC/DC dual-voltage electric multiple unit (EMU) train type operated on local services by East Japan Railway Company (JR East) in Japan.
Question: The document can be classified to which topic? 
Options: 1)EducationalInstitution, 2)WrittenWork, 3)MeanOfTransportation, 4)Animal, 5)Athlete
Output (English): 3