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.

[EX Q]: I support the death penalty, but feel there needs to be a better system of checks and balances to ensure each individual gets a fair trial using all evidentiary methods available.
[EX A]: Valid

[EX Q]: pretty logical... I mean, the killer is not going to take away innocent lives anymore because the killer is dead.
[EX A]: Valid

[EX Q]: ̢���The additional cost of confining an inmate to death row, as compared to the maximum security prisons where those sentenced to life without possibility of parole ordinarily serve their sentences, is $90,000 per year per inmate.
[EX A]:
Valid