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.
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Question: Every convicted person, will contribute back to society through labor.

Answer: Valid


Question: To me, the system's job is one thing: To prevent a similar crime from happening again, not to fulfill a concept that we have invented.

Answer: Valid


Question: I'm pro-death penalty because there is no atonement for murder.

Answer:
Valid