Nina cringed again. Her 'hope he doesn't notice tactic' didn't work. "Uhm, I can tell because, uhm..." she floundered, "You speak with a Creole dialect, right? That's full of irregular grammatical structures, so it would be nearly impossible to program well into a robot. It would be easier to just use regular American English. And uhm, it's really hard to simulate human skin, and now that I get a good look at you, you're definitely human."