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:
Since there is no clear evidence indicating that there is any deterrent value to the death penalty, I have trouble rationalizing it as a punishment.
answer:
Valid


question:
Morality cannot come from us, and therefore humanity cannot be unethical.
answer:
Invalid


question:
Unless there can be solid uncontestable evidence shown that the death penalty is significant in deterring crime, this cannot be used as an argument for the death penalty.
answer:

Valid