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: Knema communis is a species of plant in the Myristicaceae family. It is found in Malaysia and Singapore. It is threatened by habitat loss.
Question: The document can be classified to which topic? 
Options: 1)Athlete, 2)EducationalInstitution, 3)Village, 4)Plant, 5)Company
A:
4