re: Weird reply...
Oh, perhaps you just don't know the meaning of overturn:
overturn:
Law: To invalidate or reverse (a decision) by legal means
The common usage is:
a. To cause the ruin or destruction of; overthrow.
http://www.thefreedictionary.com/overturn
Considering how often this term is used in politics this must have been a bit confusing for you.
