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: Lepeophtheirus is a genus of sea lice. The best-known species is L. salmonis the salmon louse. Other species include L. pectoralis which uses flatfish as its host particularly the European flounder.
Question: The document can be classified to which topic?
Options: 1)Athlete, 2)Village, 3)OfficeHolder, 4)Animal, 5)WrittenWork
[A]: 4

[Q]: Context: USS Braine (DD-630) a Fletcher-class destroyer was a ship of the United States Navy named for Rear Admiral Daniel L. Braine (18291898) who served in the Civil War and explored the Arctic.Braine was launched 7 March 1943 by Bath Iron Works Corp. Bath Maine; sponsored by Mrs. Daniel L. Braine wife of a grandson of Rear Admiral Braine and commissioned 11 May 1943 Commander J. F. Newman Jr. in command.
Question: The document can be classified to which topic?
Options: 1)Building, 2)NaturalPlace, 3)Album, 4)WrittenWork, 5)MeanOfTransportation
[A]: 5

[Q]: Context: Asplenium trichomanes (commonly known as maidenhair spleenwort) is a small fern in the spleenwort genus Asplenium. It is a widespread and common species occurring almost worldwide in a variety of rocky habitats. It is a variable fern with several subspecies.
Question: The document can be classified to which topic?
Options: 1)Animal, 2)Plant, 3)WrittenWork, 4)Film, 5)Album
[A]:
2