TASK DEFINITION: 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.
PROBLEM: A protracted campaign is out of the question, the US government would be able to lockdown and fight a war of attrition as they are doing in Iraq.

SOLUTION: Valid

PROBLEM: Many people who would never dream of shooting a person can own a gun simply for the artistry of a well made machine, people hunt with guns as well.

SOLUTION: Valid

PROBLEM: Especially since one of your arguments is that the Second Amendment only protects arms suitable for militia duties, which would be all semi-automatic firearms in existence!

SOLUTION:
Valid