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.

Q: Sent1: The penalty is seen as vengence, why do they let families of the victims watch?
 Sent2: The death penalty should never be seen as 'an eye for an eye' or as a relief for a victim or those close to them.

A: Similar
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Q: Sent1: Even the people who did the study saying that innocents had been executed admitted that they cannot prove same.
 Sent2: There have been numerous people who were presumed innocent after execution because the evidence showed that they were not guilty.

A: Not similar
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Q: Sent1: First it is more expensive to kill a person, then letting him stay for a life long imprisonment.
 Sent2: First, it is more expensive than sentencing someone to life in prison.

A:
Similar
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