Given the task definition and input, reply with output. 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: The Western Wood Pewee (Contopus sordidulus) is a small tyrant flycatcher. Adults are gray-olive on the upperparts with light underparts washed with olive on the breast. They have two wing bars and a dark bill with yellow at the base of the lower mandible. This bird is very similar in appearance to the Eastern Wood Pewee; the two birds were formerly considered to be one species. The call of C.
Question: The document can be classified to which topic?
Options: 1)OfficeHolder, 2)Animal, 3)Album, 4)Plant, 5)WrittenWork
2