We would like you to assess the QUALITY of each of the following argument (discussing Death Penalty) 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 death penalty. An invalid argument is a phrase that cannot be interpreted as an argument or not on the topic of death penalty.

Input: Consider Input: Why not just work to reform the justice system, instead of working to stop the death penalty, then working to reform the justice system, and THEN working to reinstitute the death penalty.

Output: Valid

Input: Consider Input: I can see that could be incidental rather than the purpose.

Output: Invalid

Input: Consider Input: Dr. Marc Stern, who lives in Olympia, said the American Medical Association and Society of Correctional Physicians oppose physician involvement in executions, "and they say physicians should not supervise somebody who is involved in executions."
Output: Valid