أَمۡ ءَاتَيۡنَٰهُمۡ كِتَٰبٗا مِّن قَبۡلِهِۦ فَهُم بِهِۦ مُسۡتَمۡسِكُونَ
Am ataynahum kitaban min qablihi fahum bihi mustamsikoona
Or have We given them a book before the Qur'an to which they are adhering