TASK DEFINITION: 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.
PROBLEM: I will agree that the death penalty is too arbitrarily applied.

SOLUTION: Valid

PROBLEM: A life seems to be a good price for a serious enough crime.

SOLUTION: Valid

PROBLEM: However, if I were ever required to own a gun, I would keep it locked in a vault in a basement and never touch it.

SOLUTION:
Invalid