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 Input:
We are law professors and historians who have a deep interest in the Second Amendment and its implications for the regulation of guns and of gun ownership.

Ex Output:
Valid


Ex Input:
In Afganistan AK-47 are being produced with tooling no more advanced than the production of horseshoes.

Ex Output:
Valid


Ex Input:
Handguns and assault weapons are explicitly protected by the 2nd Amendment because they are needed to fight against a tyrannical government, but tanks, fighter aircraft, helicopter gunships, and nuclear weapons are not protected for some reason.

Ex Output:

Valid