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: Narceus americanus is a large millipede of eastern North America. Common names include American giant millipede worm millipede and iron worm. It inhabits the eastern seaboard of North America west to Georgetown Texas north of the Ottine swamps. It has a nearly cylindrical gray body reaching a length of 4 inches (100 mm). When threatened they sometimes curl up or release a noxious liquid that contains large amounts of benzoquinones which can cause dermatological burns.
Question: The document can be classified to which topic?
Options: 1)NaturalPlace, 2)Animal, 3)Building, 4)Company, 5)Artist
A:
2