"In his De vulgari eloquentia he wrote in Latin: "nam alii oc, alii si, alii vero dicunt oil" ("some say òc, others say sì, others say oïl"), thereby highlighting three major Romance literary languages which were well known in Italy, based on each language's word for "yes", the òc language (Occitan), the oïl language (French), and the sì language (Italian)."