There was a sudden rummaging for quills and parchment. Over the noise, Snape said, " And a point will be taken from Gryffindor House for your cheek, Potter."
Harry didn't answer. He knew Snape was trying to provoke him; he had done this before. No doubt he was hoping for an excuse to take a round fifty points from Gryffindor before the end of the class.
I feel that having just a paragraph that consists of one single sentence is a little bit non-standard and it could get you a penalty in terms of structure from the rating software.
Or because there's something deeply creepy about a bossy robot… especially one that reminds you that your winnings will be docked if your answers are incorrect.
" Malfoy just docked us all about fifty points, " said Harry furiously, as they watched several more stones fly upwards from the Gryffindor hour-glass.
If you are of the mind, Joseph, you may subtract the minutes of tonight's session from your next session.However, I would personally think it rather small.