The Role of Language in the Brain in a Vat

Even a brain in a vat would require some level of technology. I think that's kind of like the same question as asking, how did you get the vision of a table or the... Anything that the brain is inventing, that is the things it sees, the things it hears and feels, are all just mysteriously being created by the brain. And so is your argument then that you can tag a ... What you think is a sound, because it's not actually a sound because it's your brain of that? You would tag what you... A word, you know, ugha, mugha, kooku, and then you would make up a syntax and a grammar