When you're trying to persuade (To convince) someone yes you want to compare and contrast but when you need SUPPORT for AN ARGUMENT you need EVIDENCE.
Answer:
A. The defense lawyer concluded his remarks with a foolproof argument of the defendant's innocence.
Explanation:
That is the only one of the sentence choices that does not involve a material thing that would have the opportunity for human error. The first definition fits the other 3 better.
90% confident in this answer
A) The sinister side of the human mind