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.

[Q]: Currently, the death penalty is lawful in the US, therefore it cannot be defined as murder.
[A]: Valid


[Q]: If it must be, then we shall find a way to improve these peoples habits, not kill them because they aren't 'like us'.
[A]: Valid


[Q]: These are people who enjoy murdering people because it feels good to them, yet you feel they deserve defending, while totally innocent unborn babies who have wronged no one at all are worthy of being victims of infanticide to you.
[A]:
Invalid