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: I'm afraid that you're just going to have to accept that if you want to save the many, you may have to sacrifice the few.
Example Output: Invalid

Example Input: When the criminal is in a well controlled prison, self-defense is no longer relevant - he is not capable of harming anyone.
Example Output: Valid

Example Input: It would never have began had the murderer not committed his deed.
Example Output:
Valid