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.

[EX Q]: There have been numerous people who were presumed innocent after execution because the evidence showed that they were not guilty.
[EX A]: Valid

[EX Q]: We make ourselves less by doing the same as the murder convict - that is, not valuing a human life.
[EX A]: Valid

[EX Q]: Some innocent people are still sentenced to death, and that's where I see a problem.
[EX A]:
Valid