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]: I think at least if they are innocent they would be happier as I am living without that safety net than being killed because we don't think they should have a right to fight for thier lives leagally.
[A]: Valid


[Q]: If the justice system is organized and operated correctly, then I believe the death penalty should be used, but it should only be used in very severe cases.
[A]: Valid


[Q]: Do not say,"for the sake of justice" alone, because that justice must have a reason for being.
[A]:
Invalid