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: Eremophila cuneifolia also known as Pinyuru is a shrub which is native to Australia.
Question: The document can be classified to which topic? 
Options: 1)Building, 2)EducationalInstitution, 3)NaturalPlace, 4)Plant, 5)Company
A:
4