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: Daffy Duck for President is a children's book published by Warner Bros. and the United States Postal Service in 1997 to coincide with the release of the first Bugs Bunny U.S. postage stamp.
Question: The document can be classified to which topic?
Options: 1)OfficeHolder, 2)Animal, 3)Artist, 4)WrittenWork, 5)Company
A:
4