instruction:
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.
question:
Sent1: By killing a person who murdered someone, you are just doing the same thing you are punishing him/her for.
 Sent2: if someone killed you wouldn't you want them dead?
answer:
Not similar


question:
Sent1: The fact remains that life in prison is cheaper than sentencing one to the death penalty.
 Sent2: And no one said that life in prision is "much worse" then the death penalty.
answer:
Not similar


question:
Sent1: Again, I support the death penalty for certain crimes and criminals.
 Sent2: I firmly believe that some crimes and criminals are deserving of death.
answer:

Similar