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.

Ex Input:
Well, you already admitted you can't with your "holding their guns in shaking hand, just waiting to shoot whoever comes through the door" statement.

Ex Output:
Invalid

Ex Input:
If there was a justice system that was equally fair to all accused, made no mistakes and only executed the guilty, proponents of the death penalty could rightly cry, "Fry 'um up".

Ex Output:
Valid

Ex Input:
While I am not against execution, I would rather see tax dollars go to something a bit more useful than trying to execute one person.

Ex Output:
Valid