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: No matter how well the justice system works, we will always risk convicting innocent people.
Example Output: Valid

Example Input: The fact that this exists does not preclude a more substantial realm.
Example Output: Invalid

Example Input: You think about the unfortunate soul who is truly innocent of murder and executed anyway.
Example Output:
Valid

