instruction:
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.
question:
As for DNA evidence, it's hardly a silver bullet.
answer:
Invalid


question:
The case is indeed more involved than your typical court case, and for good reason.
answer:
Invalid


question:
You send somebody to the chair and a few years later evidence surfaces, and guess what you killed the wrong guy.
answer:

Valid