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]: In short, the panel could find no link between restrictions on gun ownership and lower rates of crime, firearms violence or even accidents with guns.
[EX A]: Valid

[EX Q]: 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.
[EX A]: Valid

[EX Q]: American homicide data are based on arrests, but British data are based on final dispositions.
[EX A]:
Valid