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]: It's cheaper to shoot them on site like Judge Dredd would...It's cheaper to let them go and let the victims' families take care of the problem.
[A]: Valid


[Q]: For example: Does anyone think that Bin Laden was innocent in the 9/11 World Trade Center bombings?
[A]: Invalid


[Q]: It's very dangerous precedent to suggest that in cases where there's only one witness/victim that a conviction isn't fair, just, or whatever choice of wording one might use.
[A]:
Invalid