Thanks to Jeff for this one:
You face a stark choice: prove I am again wrong, and risk my egocentric wrath. Or don't prove I'm wrong, and loose the 10 points on this problem. Do whichever you think best.This is why you're wrongNot the answer I wanted, but sadly I see no flaw in your argument.Student: congratulations you win this round.
Teacher: your spell checker won't help you on this one...