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:
A law-abiding gun nut who uses their gun in committing a crime, is a criminal, and not law-abiding.
answer:
Valid


question:
So anybody who has a gun for self protection is now dead because they dont have guns, just the criminals.
answer:
Valid


question:
I would bet there are some that have had the serial numbers removed or mutilated and there is no way to check.
answer:

Valid