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: Sarawakodendron filamentosum is a species of plant in the Celastraceae family. It is endemic to Malaysia.
Question: The document can be classified to which topic? 
Options: 1)OfficeHolder, 2)WrittenWork, 3)Building, 4)Film, 5)Plant

5