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.

If the Founding Fathers were referring to keeping and bearing arms for ANY legitimate purpose, they would have said so, in a SINGLE sentence or Amendment.
Valid

You haven't explained how the selected features make a selected firearm more offensive than they would be without them attached.
Valid

You have states filing suits, just like they filed briefs in Heller and McDonald telling the Government their laws are becoming excessive and that they WANT the Bill of Rights to apply to the state governments as well.

Valid