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 death penalty is an effective deterrent when used properly.
 Sent2: These two statistics show that the justice system is too imperfect for capital punishment to be used effectively.

SOLUTION: Not similar

PROBLEM: Sent1: Texas has the most executions and the most murders as well.
 Sent2: Comparable countries without the death penalty have fewer murders then Texas.

SOLUTION: Similar

PROBLEM: Sent1: The death penalty has not been shown to be more effective than life imprisonment in deterring murder, hence we should choose life imprisonment.
 Sent2: A life sentence does not prevent a murderer from murdering again.

SOLUTION:
Not similar

