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:
The only time in my life I have seen someone who owned a gun use it against some one they got into an argument with was when that person was under the influence of drugs and alcohol.
answer:
Valid


question:
In order to have a 'well regulated' militia you can not bar the civilian populace of its right to keep and bear arms!
answer:
Valid


question:
That's because they're not buying their guns here, so your proposed restrictions have no practical or usable benefit.
answer:

Valid