Q: 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: The Cyproniscidae are a family of marine isopod crustaceans in the suborder Cymothoida. The original description was made by Bonnier in 1900. Members of this family are parasitic on other isopods.The family contains these genera and species:Cyproniscus Kossmann 1884Cyproniscus crossophori Stebbing 1901Cyproniscus cypridinae (G.O.
Question: The document can be classified to which topic?
Options: 1)Company, 2)MeanOfTransportation, 3)NaturalPlace, 4)Animal, 5)Film
A:
4