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.
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Question: Firstly, life in prison is a worse punishment.Death penalty it is the simplest punishment for the person who e.g. killed, raped, committed act of terrorism and etc.

Answer: Valid


Question: I do support a penalty, just not the current one

Answer: Invalid


Question: DNA testing may become useless soon because there is a new practice going on where prisoners sell a sample of their DNA which is placed at the scene of the crime to confuse the investigation.

Answer:
Valid