TASK DEFINITION: We would like you to classify each of the following sets of argument pairs (discussing Death Penalty)  into either SIMILAR or NOT SIMILAR. A pair of arguments is considered SIMILAR if the arguments are about the same FACET (making the same argument), and is considered NOT SIMILAR if they do not have the same FACET. A FACET is a low level issue that often reoccurs in many arguments in support of the author's stance or in attacking the other author's position.
PROBLEM: Sent1: The problem with the death penalty is eventually someone will be sentenced to death when they are in fact guilty.
 Sent2: Only if they try to murder somebody after they are in prison do they deserve the death penalty?

SOLUTION: Not similar

PROBLEM: Sent1: And the purpose of the death penalty is not to punish, but to deter further crime.
 Sent2: The death of a criminal prevents him from committing any further crimes.

SOLUTION: Not similar

PROBLEM: Sent1: The death penalty doesn't need to serve as a deterrent to crime.
 Sent2: IE - the death penalty acts as a deterrent to other would be murderers.

SOLUTION:
Not similar