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: People have been found out to be innocent after the death penalty ha already been carried out....
 Sent2: There has been so much cases of people who have been executed, only to be found innocent after their death.

SOLUTION: Similar

PROBLEM: Sent1: The death penalty (because of appeals) costs more than solitary confinement for life, both of which would ensure that the person would never kill again.
 Sent2: Can life imprisonment for a definite yes, prevent a murderer from killing again?

SOLUTION: Not similar

PROBLEM: Sent1: I see what you mean, but i'm still against killing people .
 Sent2: Serial killers, "How many people did you kill?"

SOLUTION:
Not similar