Definition: 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.
Input: Context: Psilocarphus tenellus is a species of flowering plant in the aster family known by the common names slender woollyheads and slender woolly marbles. It is native to western North America from far southwestern British Columbia to Baja California where it grows in seasonally wet habitat such as vernal pools as well as coastline and disturbed areas.
Question: The document can be classified to which topic?
Options: 1)Building, 2)MeanOfTransportation, 3)OfficeHolder, 4)Plant, 5)Village
Output:
4