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]: When the point that someone on death row was saved by DNA is brought up, it shows that system works because it has saved their life.
[EX A]: Valid

[EX Q]: First of all, your command of English is appallingly poor.
[EX A]: Invalid

[EX Q]: Well lets see - we have had about 70 executions in the last few years, people held on death row.
[EX A]:
Valid

