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


[Q]: Actually, the idea that the death penalty costs more than lifetime imprisonment has been disproved many times.
[A]: Valid


[Q]: (Almost) nothing is heinous enough to warrant the death penalty.
[A]:
Valid