instruction:
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.
question:
When a person walks into a gun shop with the expressed idea of buying a gun to kill someone - in a premeditatd act - that - is a problem isn't it.
answer:
Valid


question:
These laws are all part of the gun grabbers` wholesale attack on private gun ownership.
answer:
Valid


question:
Under English common law, the Castle Doctrine was intended to be a narrow exception to the general duty to retreat.
answer:

Invalid