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.

[Q]: After all, absence of brain activity is considered legally dead in the medical field, so the start of brain activity should be the requirement for them to be legally alive.
[A]: Invalid


[Q]: jesus immediately agreed to them enforcing the death penalty, since the penalty for sin is death.
[A]: Valid


[Q]: Unless its a 100% assurance, I'm not buying it.
[A]:
Invalid