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]: For example: Does anyone think that Bin Laden was innocent in the 9/11 World Trade Center bombings?
[EX A]: Invalid

[EX Q]: It costs far more to execute a person than to keep him or her in prison for life.
[EX A]: Valid

[EX Q]: Interestingly, I found a good page explaining why the Constitution supports the Death Penalty (even with "Capital" meaning "serious").
[EX A]:
Valid