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


[Q]: Or are you just saying that ALL blacks are discriminated against no matter what, even if the judge is black.
[A]: Invalid


[Q]: My argument is that innocent people have been killed by the death penalty.
[A]:
Valid