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.

[Q]: Second, regulating private party sales will not render gun shows unimpor-tant as sources of trafficked crime guns; the best evidence is that most of those guns are sold by licensed retailers.
[A]: Valid


[Q]: The features listed would already prohibit the sale of firearms that various military and police organizations have certified as being suited for their uses after having passed rigorous safety and reliability tests.
[A]: Valid


[Q]: And before everyone starts, NO I'm not saying that America is a dictatorship nor were the founding fathers dictators, just that a constitution needs to be flexible in order to accommodate the needs of their people as times change.
[A]:
Valid