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: Tony Martin, who was convicted of murder for shooting in the back someone who was running away.

A: Invalid
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Q: But the killing of innocent lives is a crime of almost every nation and by the way, this has gone to the point of needing another thread.

A: Valid
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Q: Politicians contemplating moratoriums may wish to consider the possibility that a seemingly innocuous moratorium on executions could very well come at a heavy cost."

A:
Valid
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