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.

Context: Zygodon is a genus of moss in family Orthotrichaceae.
Question: The document can be classified to which topic? 
Options: 1)MeanOfTransportation, 2)Album, 3)Artist, 4)OfficeHolder, 5)Plant
5

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
4

Context: The Sheshma (Russian: Шешма; Tatar Cyrillic: Шушма Latin: Şuşma or Tatar Cyrillic: Чишмә Latin: Çişmä) is a river in Tatarstan and Samara Oblast Russian Federation a left tributary of the Kama River falling into the Kuybyshev Reservoir near Starosheshminsk. Its length is 259 km (227 of them in Tatarstan) and its drainage basin is 6040 km². It origins in Samara Oblast 28 km south of Leninogorsk Tatarstan.Major tributaries are Forest Sheshma Kuvak Sekines Kichuy Talkysh Rivers.
Question: The document can be classified to which topic? 
Options: 1)Animal, 2)OfficeHolder, 3)WrittenWork, 4)Company, 5)NaturalPlace

5