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 2nd Amendment doesn't say you have to be in a militia or participate one, it just aknowledges your right to own firearms for the purpose of forming one; i.e. no membership is implied or required to exercise it.

Ex Output:
Valid


Ex Input:
The killers in the Columbine massacre obtained three guns via a straw purchase by another student, acquired their automatic from a gun dealer and purchased a fourth from a seperate student.

Ex Output:
Valid


Ex Input:
A law-abiding gun nut who uses their gun in committing a crime, is a criminal, and not law-abiding.

Ex Output:

Valid