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.

[Q]: 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?
[A]: Valid


[Q]: Does anyone need to tell us what our rights are when they were written to be understood by the simple man and plainly enumerated as rights belonging to the people and without which the Constitution would have never been ratified.
[A]: Valid


[Q]: Every slave-owning civilization in history has had two things in common: they've tried to keep their slaves from owning weapons (besides Gladiators), and they've tried to keep their slaves as ignorant as possible.
[A]:
Valid