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

Example Input: There is no need to go crazy and ban guns, which would probably kill more than it saves, not to mention the infringement on our civil liberties.
Example Output: Valid

Example Input: I agree most Americans men aren't gun crazy, for only one in five owns a gun or guns, and women just one in ten.
Example Output:
Valid