The Conceivable Argument for Zombies

Jama: If it is possible, zombies are possible when I say it. Then there can't be an entailment between facts about the physical structure of your brain and facts about experiences. The idea that we can't conceive of this just seems very related to the explanatory argument. Yeah, it seems conceivable. And if it's conceivable, i.e., there's no inherent contradiction to it, then it seems like it's possible.