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 Q]: While it sounds simple on the surface, like many other questions in life, it truly is a complex question based on many variables of individual circumstances.
[EX A]: Invalid

[EX Q]: Doctors make medical decisions for you because they have knowledge which the average person does not have.
[EX A]: Valid

[EX Q]: [Exempting the Vice President, federal judicial and executive officers, congressmen and congressional officers, custom-house officers and clerks, post-officers and postal stage drivers, ferrymen on post roads, export inspectors, pilots, merchant mariners, and people exempted under the laws of their states
[EX A]:
Invalid