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.

[EX Q]: One must be subject to requirements of "appropriateness" when defending against rapists and murderers forcing themselves into one's own dwelling.
[EX A]: Invalid

[EX Q]: We let killers out of prison so they can kill again.
[EX A]: Valid

[EX Q]: But as per usual you have just demonstrated that you are filled with hate for another (perhaps more deserving) segment of humanity.
[EX A]:
Invalid