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:
You could just as easily argue that he was unjustly put to death and therefore it is a statement against the death penalty.
answer:
Valid


question:
- but because of changed laws, there have been people who have been set free even though they were supposed to be in jail for life."
answer:
Valid


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

Invalid