TASK DEFINITION: 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.
PROBLEM: If a gun owner knowingly sells to a prohibited felon who commits a murder with the gun, then the felon alone is responsible for the murder.

SOLUTION: Valid

PROBLEM: They do not have the expressed, enumerated power to pass any law regarding guns in the constitution.

SOLUTION: Valid

PROBLEM: The Senate's Sargent at Arms, and the assistant former director of the FBI says there is no way to prevent someone who is committed to carry it out.

SOLUTION:
Valid