Detailed Instructions: 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.
Q: Context: Platanus occidentalis also known as American sycamore American planetree occidental plane and buttonwood is one of the species of Platanus native to North America. It is usually called sycamore in North America a name which can refer to other types of tree in other parts of the world.
Question: The document can be classified to which topic?
Options: 1)Building, 2)MeanOfTransportation, 3)Plant, 4)EducationalInstitution
A:
3