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 "Chinese philosophy"): It was during the Warring States era that what Sima Tan termed the major philosophical schools of China: Confucianism, Legalism, and Daoism, arose, along with philosophies that later fell into obscurity, like Agriculturalism, Mohism, Chinese Naturalism, and the Logicians.
Relevant evidence: No