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.

Ex Input:
The great majority of weapons found in Mexico are coming from places beyond the American borders, everyone knows this, and there's not an ounce of hard evidence to the contrary.

Ex Output:
Valid


Ex Input:
Comparing statistics between different nations can be quite difficult since foreign officials frequently use different standards in compiling crime statistics.

Ex Output:
Valid


Ex Input:
The strongest reason for the people to retain the right to keep and bear arms is, as a last resort, to protect themselves against tyranny in government.

Ex Output:

Valid