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: The only problem is that some human has to build and program it.

SOLUTION: Invalid

PROBLEM: To take an example: the tax-code contains numerous loopholes that allow unscrupulous folks to take advantage of it and keep money that many argue they should be paying into the system.

SOLUTION: Invalid

PROBLEM: In public opinion polls, there is a clear upward trend in support for life-without-parole sentences as a substitute for the death penalty.

SOLUTION:
Valid

