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 Q]: I believe that we should attempt to prevent suicide in the general population.
[EX A]: Invalid

[EX Q]: IMHO, if we have the confidence in our system to throw someone in a cage for the rest of their natural life we should have the same confidence to put someone to death.
[EX A]: Valid

[EX Q]: If inmates in for life actually got life in 100% of the cases, I'd be more inclined to support a ban on capital punishment.
[EX A]:
Valid