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.

Who's going to file a lawsuit and allege that a person doesn't have a right to own a gun for any reason?
Valid

For decades we have proved drug cases by having a scientist who tests the drug submit an affidavit which says ���its cocaine��� or ���its marijuana������without having to call the scientist to testify about his findings.
Invalid

Also, regarding U.S. v. Emerson, the Fifth Circuit concluded: "we reject the collective rights and sophisticated collective rights models for interpreting the Second Amendment.

Valid