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.

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

The purpose was to demonize legitimate gun owners and gun shows, gun dealers and the entire pro rights community.
Valid

The same employees that will place your gun there are the same employees that can place guns where they want them.

Valid