Part 1. 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.
Part 2. Example
The fact that you do not want to donate to these poor, needy people only shows me that you really do not care about the embryos
Answer: Invalid
Explanation: It is not an argument on the topic of death penalty.
Part 3. Exercise
I agree with most of your post, but what other purpose does the death penatly serve other than to make victims familys "feel better".
Answer:
Valid