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: The death penalty assures that an incorragable criminal never has the opportunity to kill anybody else.

A: Valid
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Q: The point is not to make things worse, or better.

A: Invalid
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Q: So, in summary, you aren't against the death penalty on principle.

A:
Valid
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