I've probably heard them talking about it but I can't understand a word of German so I wouldn't know unless they were talking to the Slytherins about it and I don't think they have been, since they don't want people to be cross or think they were saying something bad about Harry.

I didn't notice their Headmaster during the tasks, I was much more interested in the dragons!

Oh and there were two charms, one for attracting animals you want to hunt, one for repelling animals that might cause problems, and mammoths would be both, wouldn't you think? I'm sure your essay was fine, at least if you remembered to mention the cave paintings, did you remember to mention the cave paintings? She went on about them for most of an entire class last week.