Definition: 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.
Input: Context: The Year's Best Science Fiction: Twenty-First Annual Collection (ISBN 978-0-312-32478-0) is a science fiction anthology edited by Gardner Dozois that was published in 2004. It is the 21st in The Year's Best Science Fiction series.
Question: The document can be classified to which topic?
Options: 1)Artist, 2)MeanOfTransportation, 3)Plant, 4)WrittenWork, 5)Animal
Output:
4