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.

Example Input: Had James Holmes not been able to acquire this magazine his rifle would not have been disabled and he would have been free to change out empty magazines as often as he pleased.
Example Output: Valid

Example Input: The difference is the fact that at the time firearms were not prohibited on school grounds which lead to return fire coming from regular citizens and students in aid of the police on the scene.
Example Output: Valid

Example Input: Then compare it to areas with less gun control laws, such as Texas and Arizona (where concealed carry permits are fairly easy to obtain).
Example Output:
Valid