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:
For those who say "we need to make sure they don't kill again" no one in the history of maximum security prisons has ever escaped a maximum security prison, so it's not really an issue.

Ex Output:
Valid


Ex Input:
- but because of changed laws, there have been people who have been set free even though they were supposed to be in jail for life."

Ex Output:
Valid


Ex Input:
Under the current system, people mostly get put in prison and have nothing to do.

Ex Output:

Valid