Nanak's teachings were written in the Adi Granth, which acquired for Sikhs the sanctity of the Koran.
The sanctity of the Koran is of the upmost importance of the Sikhs.
mnli hypothesis: The sanctity of the Koran is of the upmost importance of the Sikhs. premise: Nanak's teachings were written in the Adi Granth, which acquired for Sikhs the sanctity of the Koran.