Now, I guarantee that about 85 percent of you, or maybe it's fewer at TED, will have said it comes out of the ground. And some people, probably two of you, will come up and argue with me afterwards, and say that actually, it comes out of the ground.
Garanto que uns 85% de vocês, ou talvez menos no TED, disseram que vem do solo, e alguns, talvez duas pessoas, depois virão argumentar comigo e dizer que deriva do solo.