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.

[Q]: Context: Thyrsodium is a genus of plant in family Anacardiaceae. Species include: Thyrsodium herrerense Encarnacion
Question: The document can be classified to which topic? 
Options: 1)WrittenWork, 2)Plant, 3)Animal, 4)Artist, 5)MeanOfTransportation
[A]: 2


[Q]: Context: MV Isle of Arran is a drive-through ferry owned by Caledonian Maritime Assets Limited and operated on the west coast of Scotland by Caledonian MacBrayne. Built in 1983 she served on the Arran service for ten years before being moved to Kennacraig. With increasing age she has been the winter relief vessel. In 2013 she started a new pilot route from Ardrossan to Campbeltown.
Question: The document can be classified to which topic? 
Options: 1)MeanOfTransportation, 2)EducationalInstitution, 3)NaturalPlace, 4)WrittenWork, 5)OfficeHolder
[A]: 1


[Q]: Context: Taft (Ulster) is a river of Hesse Germany.
Question: The document can be classified to which topic? 
Options: 1)Animal, 2)NaturalPlace, 3)Plant, 4)EducationalInstitution, 5)Building
[A]:
2