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:
therefore the death penalty should not be used, simply because it kills innocent people.

Ex Output:
Valid


Ex Input:
The only problem is that some human has to build and program it.

Ex Output:
Invalid


Ex Input:
you might want to think twice before you suggest such a thing again.

Ex Output:

Invalid