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: But it's easy to see that a less violent environment, incuding representations of violence, would help speeding the educating process and avoiding some bad issues.

SOLUTION: Valid

PROBLEM: If the person in question is in prison, they are removed from society.

SOLUTION: Valid

PROBLEM: I am glad that you, and now gman, admit that vengeance is the underlying influence.

SOLUTION:
Valid