The big thing I dislike about Foxdemon's answer is referring to another answer by direction "the answer above" Fox demon's answer has more votes so it is now the top answer, and it would also be possible for there to be multiple different answers that would match - that part causes confusion. They should have said "like drnravhgms' answer" to refer specifically by who gave the answer, or made their answer complete and self contained by including the information in the other answer also.
Happens a lot in multiple choice tests I find, the prof puts the answers into the system in an order to…