Instructions: 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: While proximity to the border appears to be a major factor affecting which states are top sources, controlling for population reveals that even among the Southwest border states, certain states export crime guns to Mexico at disproportionately higher rates.
Output:
Valid