We would like you to assess the QUALITY of each of the following argument (discussing Death Penalty) and determine if the argument is Valid or Invalid. A valid argument is clearly interpretable and either expresses an argument, or a premise or a conclusion that can be used in an argument for the topic of death penalty. An invalid argument is a phrase that cannot be interpreted as an argument or not on the topic of death penalty.

Q: Unless some solid benifit can be shown for killing them, it is simply a childish act of revenge.

A: Valid
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Q: In any case, while I believe some criminals should just be carried into the street and shot, I don't think the death penalty is worth it in today's society.

A: Valid
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Q: god has the authority and ability to voluntarily pardon a wrong, as a banker could write-off a debt.

A:
Invalid
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