Question: How many years of commentary and interpretation are contained in an ancient compendium of divination, which dates back to at least 672 BCE?
Sentence (from "I Ching"): Originally a divination manual in the Western Zhou period (1000750), over the course of the Warring States period and early imperial period (500200) it was transformed into a cosmological text with a series of philosophical commentaries known as the "Ten Wings."
Relevant evidence: No