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.

Input: Consider Input: JUSTICE STEVENS believes that the unitary meaning of ���keep and bear Arms��� is established by the Second Amendment's calling it a ���right��� (singular) rather than ���rights��� (plural).

Output: Valid


Input: Consider Input: There is no right to a dollar, rights never trump each other.

Output: Invalid


Input: Consider Input: I can testify that the AMA has been moving steadily to the left in a variety of issues, from the perversion of medical ethics to gun control.


Output: Valid