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.

They, when they heard it, being convicted by their conscience, went out one by one, beginning from the oldest, even to the last.
Invalid

Do you think that the judicial system is so weak in its nature that all it takes is for DNA evidence to convict someone?
Valid

Commissioner Jones was quoted comparing the costs to the trial�۪s results, ���That extra measure of justice or vengeance -- however you want to call it -- is not worth all the sacrifices you�۪ll have to make.�۝

Valid