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]: Please show me what law prevents amending the constitution to repeal another amendment.
[EX A]: Valid

[EX Q]: Gun owners would have to be evaluated by how they scored on written and firing tests, and have to pass the tests in order to own a gun.
[EX A]: Valid

[EX Q]: In Chile when the armed forces gave a coup in half a day they controlled the whole country, any sporadic insurgence was put down easily.
[EX A]:
Valid