Surah Ad-Dukhan, ayah 33

وَءَاتَيۡنَٰهُم مِّنَ ٱلۡأٓيَٰتِ مَا فِيهِ بَلَٰٓؤٞاْ مُّبِينٌ ٣٣

Wa ātaynāhum minal-āyāti mā fīhi balā'um mubīn

And We gave them of signs that in which there was a clear trial.