Thank you. It's always good to learn something new. "Simutaniety of utterances" is something of a concept that deserves thinking about. A bit of a mind-bender for talkers.
Thanks again. Horizons have been broadened here.
Welcome to AN and Atheist Humour. I'm curious. How do jokes turn out in sign language? Are there "sign" jokes that don't work any other way? I must admit that it's something I've never thought about before.