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.

Example Input: I'm of the opinion that abortion is killing a human, which (killing a human) is wrong.
Example Output: Invalid

Example Input: Tony Martin, who was convicted of murder for shooting in the back someone who was running away.
Example Output: Invalid

Example Input: The only question is whether or not any risk of executing an innocent is acceptable.
Example Output:
Valid

