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: Currently, the death penalty is lawful in the US, therefore it cannot be defined as murder.

A: Valid
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Q: However, one advantage with the Death Penalty is you can use it as leverage in plea bargains.

A: Valid
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Q: We let killers out of prison so they can kill again.

A:
Valid
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