A: the earth is made of green cheese
B: I dispute your premise.
A: Anyone who thinks the earth is not made of green cheese is clearly a buffoon.
B: Sir, you are a buffoon.
A: It should be obvious to anyone with half a brain that calling people names is unacceptable .
B: I dispute your premise.
A: The evidence clearly shows that calling people names is unacceptable .
MoonShadow/FlameWar