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.

That will take the criminals off the street and with them off the street there are no gun control concerns.
Valid

Again, the researchers found no protective benefits of gun ownership.
Valid

While slavery was at one time legal, it was not legal as a result of the Constitution or the Bill of Rights.

Invalid