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: 'The Chicago case is unlikely to have much practical impact on most gun laws regardless of how the court rules,' said Paul Helmke, president of the Brady Center to Prevent Gun Violence.

SOLUTION: Valid

PROBLEM: Medical coding consists of classifying medical procedures and diagnostics for billing purposes.

SOLUTION: Invalid

PROBLEM: I'm not guessing what the men who wrote the 2nd Amendment meant, it is very clear in the Militia Act.

SOLUTION:
Valid