You will be given a definition of a task first, then some input of the task.
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: Tripterygium is a genus of plants in the Celastraceae family.T. wilfordii; (Chin. ) pinyin: lei gong teng sometimes called Thunder God Vine is used in Traditional Chinese medicine.Tripterygium wilfordii Hook.f. known as Leigongteng (Thunder God Vine) in traditional Chinese medicine has attracted much attention for its applications in relieving autoimmune disorders such as rheumatoid arthritis and systemic lupus erythematosus and for treating cancer.
Question: The document can be classified to which topic?
Options: 1)Company, 2)Building, 3)MeanOfTransportation, 4)EducationalInstitution, 5)Plant
Output:
5