Does it matter whether the person plowing looks momentarily at what is behind or actually puts down the plow and turns around?
كَلَّا ،‏ إِذْ عَرَفَ أَنَّ طَلَبَ هذَا ٱلرَّجُلِ لَمْ يَكُنْ سِوَى عُذْرٍ لِلتَّهَرُّبِ مِنَ ٱلْمَسْؤُولِيَّةِ .‏