"Oh, I hadn't started that yet. I got a little confused by the instructions in the assignment. They didn't seem right..."
She glanced over at the parchment next to him; by the looks of it, he had already been making a lot of progress. There was no denying it - he was much better at Potions than she was. She didn't mind admitting that, though. Severus was more brilliant than most of the other students gave him credit for - especially James and his group. She wanted to hurt the lot of them for tormenting her best friend so.