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: There's no problem in buying a gun, the problem comes in what you buy the gun for.

SOLUTION: Valid

PROBLEM: Its activists have battled to allow firearms on college campuses, in bars and in churches.

SOLUTION: Valid

PROBLEM: Background check are a must but armed citizens help save lives

SOLUTION:
Valid