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: If I could be satisfactorily convinced that a murderer had ZERO chance of committing another crime, I might be convinced to do away with the death penalty.

A: Valid
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Q: That structure being prison with the most dangerous of criminals where survival of the strongest determines social status, inviting and perpetuating violence.

A: Valid
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Q: But the killing of innocent lives is a crime of almost every nation and by the way, this has gone to the point of needing another thread.

A:
Valid
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