TASK DEFINITION: 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.
PROBLEM: I'm of the opinion that abortion is killing a human, which (killing a human) is wrong.

SOLUTION: Invalid

PROBLEM: The death penalty executes felons found guilty of especially heinous crimes.

SOLUTION: Valid

PROBLEM: The point is that it is obvious that each error mentioned happens (and quite often), and it should be obvious that they can, and do, combine and happen together.

SOLUTION:
Invalid