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: In the US at least, we have the right to life, liberty, and the pursuit of happiness as long as it doesn't infringe upon the rights of others.
Example Output: Valid

Example Input: What if they don't kill anyone in their escape attempt?
Example Output: Valid

Example Input: i think most people here are arguing that our justice system does not require absolute certainty in order to sentence someone to the death penalty, and we can almost never have absolute certainty.
Example Output:
Valid