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: Deterrence is not the only reason I support the death penalty.
Example Output: Valid

Example Input: I'm wondering how long it will take all the numbnuts of the world to realize two important facts of human nature:
Example Output: Invalid

Example Input: However, I do not see any moral difference in locking up an innocent person for 60 year or executing an innocent person.
Example Output:
Valid