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.

There has seldom if ever been any occurrence in which someone has violently avenged a murderer's death.
Valid

Second, if the situation were turned, you would probably say "Purposely indulging in an act that carries risk to your own body for your own convenience and then committing suicide" if we were talking about peds.
Invalid

If you intended to "implicate a no" then you need to realize that saying "no" follows a premise that says that the death penalty is illegal.

Valid