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: Personally, I've a big problem with the death penalty, namely that it has been applied to entirely innocent people.

A: Valid
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Q: The death penalty is not murder, it simply killing humanely and justifiably with a legitimate cause.

A: Valid
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Q: I have gotten about a dozen people to take my "try it before you shoot off your mouth" challenge, and every single one of them changed their tune by the end of their little adventure.

A:
Invalid
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