Question: What is a classification scheme that assigns an animal and its reputed attributes to each year in a repeating 12-year cycle, which has the 2nd of the 12-year cycle of animals appear in it?
Sentence (from "Ox (zodiac)"): The Ox (丑) is the 2nd of the 12-year cycle of animals which appear in the Chinese zodiac related to the Chinese calendar.
Relevant evidence: Yes