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: Australia's laws mandating that all guns be kept locked up, and the lack of the ability to claim self-defense when shooting a violent home invader, has made Australia a very dangerous place to live or visit.

SOLUTION: Valid

PROBLEM: Well if criminals are getting their guns through licensed dealers, how come these records of sale aren't being used for the purpose of tracking down gang members who obviously bought their guns legally?

SOLUTION: Valid

PROBLEM: The claimed that a gun shop owner was intentionally violating the laws of Chicago and selling all kinds of weapons to gang members, simply by being one mile outside of the Chicago city limits.

SOLUTION:
Valid