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: Thyrsodium is a genus of plant in family Anacardiaceae. Species include: Thyrsodium herrerense Encarnacion
Question: The document can be classified to which topic? 
Options: 1)WrittenWork, 2)Plant, 3)Animal, 4)Artist, 5)MeanOfTransportation
A:
2