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.

Do you think that a gun-ban in the long run would mean that more criminals get their hands on guns or that less criminals get their hands on guns?
Valid

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.
Valid

And it is legal to ban marijuana and cigarets but guns are protected by the constitution.

Valid