Bare in mind that humans have a fundamental sense of meaning. You write and speak to express meaning : that’s syntax . Your valid sentences map onto valid meani

Bare in mind that humans have a fundamental sense of meaning. You write and speak to express meaning : that’s syntax . Your valid sentences map onto valid meanings. You can speak nonsense but you can also tell it’s nonsense. GPT sentences map into meaning only incidentally due to training — that is, it has no sense of semantics. One can systematically thus generate an infinity of defeating cases.