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]: If you support the right to bear arms, ultimately you believe that a person should be allowed to kill somebody in self defense.
[EX A]: Invalid

[EX Q]: It's only expensive due to the idiots who think keeping a truly twisted criminal alive is a "humane" thing to do.
[EX A]: Valid

[EX Q]: The sun sure does set on the British Empire nowadays.
[EX A]:
Invalid