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.

[EX Q]: After opposition from the National Rifle Association, 22 Democrats joined Republicans in a Senate vote this month to negate the District of Columbia's tough gun registration requirements and overturn its ban on rapid-fire semiautomatic weapons.
[EX A]: Valid

[EX Q]: However, in doing so, people also found out that the AR series were more accurate for hunting and target shooting, and a much more reliable design than previous hunting rifles.
[EX A]: Valid

[EX Q]: People that read the 2nd amend as a militia thing also must think dangerous criminals will obey gun control laws.
[EX A]:
Valid