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: If it must be, then we shall find a way to improve these peoples habits, not kill them because they aren't 'like us'.

SOLUTION: Valid

PROBLEM: There are many abstracts (short summaries of the entire paper) printed in this link.

SOLUTION: Invalid

PROBLEM: He will get twenty years, and be out in as little as five years, only to repeat his crime or retaliate against my family.

SOLUTION:
Valid