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:
While slavery was at one time legal, it was not legal as a result of the Constitution or the Bill of Rights.
answer:
Invalid


question:
Your endless request for more and more gun control is not justified.
answer:
Invalid


question:
I for one do not say that registration of all privately held firearms would violate the constitution.
answer:

Valid


