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 Piracuruca River is a river of Piaui state in northeastern Brazil.
Question: The document can be classified to which topic?
Options: 1)Building, 2)Animal, 3)NaturalPlace, 4)OfficeHolder, 5)WrittenWork
[EX A]: 3

[EX Q]: Context: Sander Thonhauser is a Dutch professional mixed martial artist. He competes in the Heavyweight division. He is a RINGS Holland veteran and has also fought for many other top promotions.His Mixed martial arts debut was on June 29 1997. Sander has not fought since 2005 where he lost to Murad Chunkaiev by submission on April 3 2005.
Question: The document can be classified to which topic?
Options: 1)OfficeHolder, 2)Athlete, 3)EducationalInstitution, 4)Plant, 5)MeanOfTransportation
[EX A]: 2

[EX Q]: Context: Descartes was a wooden-hulled paddle frigate of the French Navy. Laid down as Gomer she was renamed Descartes in 1841 while still on the stocks.She took part in the Crimean War and was used to ferry wounded from Italy.On 17 October 1855 she took part in the Battle of Kinburn.She was eventually broken up in Brest in July 1867.
Question: The document can be classified to which topic?
Options: 1)Album, 2)MeanOfTransportation, 3)Athlete, 4)OfficeHolder, 5)Animal
[EX A]:
2