Who founded the faith on a ritual-free, simple “Sat Shri Akal” or the worship of God and truth?

Q. Who founded the faith on a ritual-free, simple “Sat Shri Akal” or the worship of God and truth?

A.            Dadu Dayal

B.            Guru Nanak

C.            Sri Chaitanya

D.            Guru Govind Singh

Answer: Guru Nanak