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.

Often the people who stop would be violent criminals from going on that path are social workers.
Valid

But if that one doesn't wash for you, here's another argument against the deterent factor (and I must credit a bunch of wonderful schools debaters from a disadvantaged community in the third world for this):
Valid

Not to mention hunting around the internet for facts improves research skills quite greatly.

Invalid