According to Abu Daw' ud, writing a century later, the situation was that a Qurayza who killed a Nadir was killed but a Nadir who killed a Qurayza only paid blood-money.
The situation was writing a century later. This was according to Abu Daw'ud. A Qurayza paid blood-money. This Qurayza killed. A Nadir was killed but a Nadir. This Nadir killed a Qurayza only. The situation was this. This was according to Abu Daw' ud.