سَلْهُمْ اَيُّهُمْ بِذٰلِكَ زَعِيْمٌۚ ( القلم: ٤٠ )
which of them
Salhum ayyuhum bizaa lika za'eem (al-Q̈alam 68:40)
Ask them which of them, for that [claim], is responsible. (Al-Qalam  : 40)
1 Mufti Taqi Usmani
Ask them which of them stands surety for that.