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: Wrong again, there have been many, many, many more cases that that:

SOLUTION: Invalid

PROBLEM: It costs far more to execute a person than to keep him or her in prison for life.

SOLUTION: Valid

PROBLEM: The fact that you believe a person should be executed for kicking a dog demonstrates that you are one f those unhinged vigliante sorts; your sort should be chlorinated from the gene pool before you become a serial killer.

SOLUTION:
Valid