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:
Currently, the death penalty is lawful in the US, therefore it cannot be defined as murder.
answer:
Valid


question:
It serves both his own interests AND the State's.
answer:

Invalid