Quran 2:68 from Surah Al-Baqara on Divine Marvels.
قَالُواْ ٱدۡعُ لَنَا رَبَّكَ يُبَيِّن لَّنَا مَا هِيَۚ قَالَ إِنَّهُۥ يَقُولُ إِنَّهَا بَقَرَةٞ لَّا فَارِضٞ وَلَا بِكۡرٌ عَوَانُۢ بَيۡنَ ذَٰلِكَۖ فَٱفۡعَلُواْ مَا تُؤۡمَرُونَ
English translation: They said Pray for us (to) your Lord to make clear to us what it (is) He said Indeed He says [Indeed] it (is) a cow not old and not young middle aged between that so do what you are commanded
Transliteration: qalu ud'u lana rabbaka yubayyin lana ma hiya qala innahu yaqulu innaha baqaratun la faridun wala bik'run awanun bayna dhalika fa-if'alu ma tu'maruna