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: In the US at least, we have the right to life, liberty, and the pursuit of happiness as long as it doesn't infringe upon the rights of others.

SOLUTION: Valid

PROBLEM: Statistics also show that in a lot of places where the death penalty is forbidden, the percentage of the crime is decreasing in relative to the places, where its legal.

SOLUTION: Valid

PROBLEM: If you support the right to bear arms, ultimately you believe that a person should be allowed to kill somebody in self defense.

SOLUTION:
Invalid