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: Gastrodia africana is a species of plant in the Orchidaceae family. It is endemic to Cameroon. Its natural habitat is subtropical or tropical dry forests. It is threatened by habitat loss.
Question: The document can be classified to which topic? 
Options: 1)Animal, 2)Plant, 3)Company, 4)EducationalInstitution, 5)Album
A:
2