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

SOLUTION: Valid

PROBLEM: If we revisit your notion of intent you must needs consider that the firearm is just as capable of defense as it is offense.

SOLUTION: Invalid

PROBLEM: I believe that murder is the killing of a human being.

SOLUTION:
Valid