Translation for 18:12

ثُمَّ بَعَثۡنَٰهُمۡ لِنَعۡلَمَ أَيُّ ٱلۡحِزۡبَيۡنِ أَحۡصَىٰ لِمَا لَبِثُوٓاْ أَمَدٗا ١٢
then We raised them so We may show which of the two groups would make a better estimation of the length of their stay.1 

Foot notes

76890

 The People of the Cave themselves disagreed on how long they had slept in the cave. See 18:19.