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: If there was no such law for guns, carriers would be in the same boat as black people walking past a "No Negroes" sign.
Example Output: Valid

Example Input: I for one do not say that registration of all privately held firearms would violate the constitution.
Example Output: Valid

Example Input: Teachers and business professionals use them for instructional purposes, while police officers and soldiers still use them for target acquisition.
Example Output:
Valid