We would like you to assess the QUALITY of each of the following argument (discussing Gun Control) 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 gun control. An invalid argument is a phrase that cannot be interpreted as an argument or not on the topic of gun control.

[EX Q]: When we factor in the usefulness of guns for self-defense against violent criminals, it's clear that normal gun owners are at less risk of criminal victimization.
[EX A]: Valid

[EX Q]: In Afganistan AK-47 are being produced with tooling no more advanced than the production of horseshoes.
[EX A]: Valid

[EX Q]: Indeed, the right to keep and bear arms���which we have explained pre-existed, and therefore was preserved by, the Second Amendment���was subject to restrictions at common law.
[EX A]:
Valid