In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

Restorative justice is ___(1)____ from mediation though it involves meetings and dialogues to fix responsibility for wrongdoing and to find a solution acceptable to ___(2)____ three parties. More importantly, it directly addresses victim needs and ___(3)____ emphasizes the private dimensions of a public wrong. It is not a substitute ___(4)____the formal criminal justice system, but a good backup to reduce its workload and to increase the sense of justice in the system as a ___(5)____.