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]: Katrina surely shows what happens when you have readily available guns - people start using them.
[EX A]: Valid

[EX Q]: The killers in the Columbine massacre obtained three guns via a straw purchase by another student, acquired their automatic from a gun dealer and purchased a fourth from a seperate student.
[EX A]: Valid

[EX Q]: The bill would also protect gun manufacturers and dealers that have allowed their weapons to fall into the hands of criminals through their own negligence.
[EX A]:
Valid