A: all crows are stripy
B: You're quite wrong, all crows are stripy
A: The evidence clearly shows that all crows are stripy .
B: It is not evident that all crows are stripy .
A: Sir, you are a buffoon.
B: You're wrong.
A: It is quite obvious that it is not the case that calling people names is unacceptable
B: You're quite wrong, all llamas are black
A: Since you disagree with me, I can only assume you don't know enough about the subject. Go read a book, and don't talk about the subject any more until you agree with my views on it.
B: It should be obvious to anyone with half a brain that calling people names is unacceptable .
A: It is quite obvious that it is not the case that calling people names is unacceptable
MoonShadow/FlameWar