I had a class where I had to write papers that couldn't go above a certain word count or it would be an instant fail, it had to contain at least a minimum amount of text directly quoted and cited from my source material, and also couldn't go above a 20% Turnitin score. I had every paper word-maxxed to the limit and of course Turnitin marked all of my quotations as plagiarized, it marked my entire citations page as plagiarized, and it also inexplicably marked every instance of the word "the" as plagiarized. Nothing else was marked plagiarized and I hit 20% on every paper I submitted. I complained to the instructor and told him the requirements were damn near impossible.