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:
I reject execution on moral grounds, but that is a case where the likelihood of legal mistakes is unlikely.
answer:
Valid


question:
It costs far more to execute a person than to keep him or her in prison for life.
answer:
Valid


question:
The death penalty does not faze sociopaths, suicide bombers, and indoctrinated fundamentalists.
answer:

Valid