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]: However, a person convicted of a capital crime is BY OUR OWN DEFINITION NOT INNOCENT.
[EX A]: Valid

[EX Q]: There has seldom if ever been any occurrence in which someone has violently avenged a murderer's death.
[EX A]: Valid

[EX Q]: Any criminal in the world would just love to have you on his jury.
[EX A]:
Invalid