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.

[EX Q]: Context: The Banetsu Monogatari (ばんえつ物語 Ban'etsu Monogatari) is a locomotive-hauled set of Joyful Train railway coaches operated in Japan by the East Japan Railway Company (JR East) normally between Niigata and Aizu-Wakamatsu.
Question: The document can be classified to which topic? 
Options: 1)WrittenWork, 2)EducationalInstitution, 3)Film, 4)MeanOfTransportation
[EX A]: 4

[EX Q]: Context: GAZ or Gorkovsky Avtomobilny Zavod (Russia Nizhny Novgorod) translated as Gorky Automobile Plant (Russian: ГАЗ or Го́рьковский автомоби́льный заво́д) started in 1932 as NAZ a cooperative enterprise between Ford and the Soviet Union as a result of a Five year plan.GAZ is the core company of GAZ Group holding a part of Basic Element business group. The headquarters of GAZ Group is located in Nizhny Novgorod.
Question: The document can be classified to which topic? 
Options: 1)Company, 2)EducationalInstitution, 3)WrittenWork, 4)Artist
[EX A]: 1

[EX Q]: Context: Régis Lant[citation needed] (aka Nornagest born 10 June 1977[citation needed]) is a Belgian black metal vocalist best known for his vocal works on albums such as Tetra Karcist and Pentagrammaton by Enthroned and Absu's latest self-titled release.His career started in the Belgian metal band Heresia.
Question: The document can be classified to which topic? 
Options: 1)Athlete, 2)Film, 3)NaturalPlace, 4)Artist, 5)Animal
[EX A]:
4