Option b is the correct answer. Rock Edict XII contains the inscription which is completely devoted to the principle of religious tolerance. It contains a directed and determined request for tolerance among different religious sects. It reflects Ashoka's commitment to peaceful coexistence and understanding among different faiths. This edict is also notable for being written in Greek in the Kandahar Greek Edict of Ashoka (last portion), showcasing Ashoka's commitment to conveying his message across linguistic boundaries.