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]: The only way to prove that rehabilitation has occurred is to parole a murderer.
[A]: Valid


[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


[Q]: The few cases that convict innocent people are becoming even fewer.
[A]:
Valid