instruction:
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.
question:
I think you overestimate the risk, for most folks, of walking around without a gun.
answer:
Valid


question:
In fact, it seems as if allowing people to carry guns on board aircraft made it easier for the terrorists to hijack them, as the terrorists in many cases just walked right on board with the guns.
answer:
Valid


question:
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.
answer:

Valid