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.

Input: Consider Input: 'Gun control' does not mean a ban on all self-defence

Output: Valid


Input: Consider Input: If a gun owner knowingly sells to a prohibited felon who commits a murder with the gun, then the felon alone is responsible for the murder.

Output: Valid


Input: Consider Input: I doubt gun activists would be impressed if I claimed they were wrong and then provided a link to Brady Campaign to Prevent Gun Violence as support.

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Output: Valid


