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]: and it also falls into a point i forgot to mention earlier.
[EX A]: Invalid

[EX Q]: To me, the system's job is one thing: To prevent a similar crime from happening again, not to fulfill a concept that we have invented.
[EX A]: Valid

[EX Q]: For many reasons, including DNA testing, the US death penalty, is much safer today than it has ever been.
[EX A]:
Valid