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: As far as I know, there is nothing to keep people from living the life they profess to maintain in the open.
Example Output: Valid

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: It was in no way illegal for a student to keep their legally owned firearms on school property while attending class and then go hunting after they were finished for the day.
Example Output:
Valid