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]: As of yet, we have not seen fact one that even one innocent person has been put to death.
[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]: Peterson could face the death penalty or life without parole.
[EX A]:
Valid