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]: But I oppose the death penalty because it has the capacity to kill innocent people.
[EX A]: Valid

[EX Q]: Getting rid of the death penalty would ultimately not be more cost effective.
[EX A]: Valid

[EX Q]: The only difference between the death penalty and murder is that the government says it's okay to kill the criminal.
[EX A]:
Valid