The question below consists of a set of labelled sentences. These sentences, when properly sequenced form a coherent paragraph. Select the most logical order of sentences from among the options.

P: Those who say death should be the punishment in some cases, agree that it is to be in special cases alone, the most heinous and gravest of crimes.

Q: They feel that it is only fear of severe punishment that will deter the criminal and reduce the occurrence of heinous crimes.

R: The advocates and the abolitionists of capital punishment have their own arguments in support of their stand.

S: The most prominent argument put forth by the advocates of the death penalty is that of deterrence.