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: In reality, prison population is a zero sum game because nobody wants a new prison in their back yard (NIMBY principle).

Output: Valid


Input: Consider Input: After someone is executed, it's the end of the story.

Output: Valid


Input: Consider Input: The abolishment of the death penalty is considered an advancement in most societies.


Output: Valid