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: Likewise, to isolate the effect attributed to the gun ban alone, researchers need to zero out other factors such as concentrated poverty, crack cocaine, and race.

Output: Valid


Input: Consider Input: A protracted campaign is out of the question, the US government would be able to lockdown and fight a war of attrition as they are doing in Iraq.

Output: Valid


Input: Consider Input: Just one month after the September 11 terrorist attacks, an unnamed Washington state woman was stopped for having a loaded two-shot derringer in her carry-on baggage at Sea-Tac Airport.


Output: Valid