1. You hear some students making noise during the middle of the night. You:
find them, tell them to go back to their rooms, and notify a professor
join them! Hey maybe they are planning a secret trip to Hogsmeade
go back to sleep

2. Its the night before the end of term exam. You:
pull an all nighter so you can get some extra studying done
study for a bit, then throw a big end of term party in the common room
study?

3. Its time to sign up to stay at Hogwarts over the holiday break, do you sign up?
of course, you need to use the library!
sure, with everyone gone you could take advantage of the situation...
stay where?

4. Its Quidditch tryouts! Do you go for the team?
no, you need your extra time to invent new rules
yeah sounds like fun!
ummm...quidda what?

5. Professor Snape wants you to write an essay for Potions class that's due the next day, what do you do?
write an excellent essay about that sleep draught you read about in chapter 15 page 456 of Magical Drafts and Potions
well you do know magic, right? You try to do a charm that writes the essay for you
Potions class? OK now you're just making things up