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: This process is needed in order to ensure that innocent men and woman are not executed for crimes they did not commit, and even with these protections the risk of executing an innocent person can not be completely eliminated."
Example Output: Valid

Example Input: Some human beings have proven they have forfeited the right to continue to breathe the same air as civilized people, PERIOD!!!
Example Output: Valid

Example Input: So your argument is that if the death penalty was cheaper than life in prison it would have the advantage of being cheaper than life in prison.
Example Output:
Valid