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: Leucochrysum is a genus of flowering plants in the family Asteraceae endemic to Australia. Species include:Leucochrysum albicans (A.Cunn.) Paul G.WilsonLeucochrysum fitzgibbonii (F.Muell.) Paul G.WilsonLeucochrysum graminifolium (Paul G.Wilson) Paul G.WilsonLeucochrysum molle (A.Cunn. ex DC.) Paul G.WilsonLeucochrysum stipitatum (F.Muell.) Paul G.Wilson
Question: The document can be classified to which topic?
Options: 1)Plant, 2)Company, 3)Album, 4)Film, 5)MeanOfTransportation
[A]: 1

[Q]: Context: Leo Duyndam (Poeldijk 2 January 1948 Nice France 26 July 1990) was a Dutch professional road bicycle racer.
Question: The document can be classified to which topic?
Options: 1)Film, 2)Animal, 3)Artist, 4)Athlete, 5)WrittenWork
[A]:
4