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: Overall, I'd say, we'd spare ourselves a lot if we just went with locking some people up and throwing away the key.

SOLUTION: Valid

PROBLEM: Some have claimed that the death penalty is culturally biased towards black people.

SOLUTION: Valid

PROBLEM: But it costs more, kills more innocents, and has no more advantages to life in prison.

SOLUTION:
Valid