Andreas knew, what she was indicating and took out the parchment with the marks that Hogwarts made. "This, Appoline, is a list, where students have been unfairly marked. The black marks, like Lord Malfoy has explained, are the unfair marks in the school’s assignments and tests, whereas the red marks are the unfair markings that the students have received during their OWLs and NEWTs. You can see that there is a clear evidence of unfair marking in the OWLs and NEWTs."