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.

My point was that there are ways of dealing with violent criminals, murderers even, without executing them.
Valid

Yes, the death penalty should be use as a punishment.
Valid

I do not support the DP for a defendant not proven guilty beyond the shadow of a doubt.

Valid