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]: My argument makes it clear that innocent people need not be sentenced to death in order for the death penalty to be unjust.
[EX A]: Valid

[EX Q]: Sorry for the length of the post, but I hope it helps you understand why I oppose capital punishment.
[EX A]: Valid

[EX Q]: He cited the exonerations of more than 100 people on death row based on DNA and other evidence."
[EX A]:
Valid