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: Taraxacum kok-saghyz often abbreviated as TKS and commonly referred to as the Kazakh dandelion rubber root or Russian dandelion is a species of dandelion native to Kazakhstan that is notable for its production of high quality rubber. T. kok-saghyz was discovered in Kazakhstan in 1932 by the Soviet Union in an effort to find a domestic source of rubber.
Question: The document can be classified to which topic?
Options: 1)Film, 2)MeanOfTransportation, 3)Plant, 4)Village, 5)OfficeHolder
Output:
3