Conceptual relationships/constrasts in general seem to be trouble for LLMs, in that they seem to 'understand' that two things are connected but not how to consi

Conceptual relationships/constrasts in general seem to be trouble for LLMs, in that they seem to 'understand' that two things are connected but not how to consistently interpret that connection. For example, I've had an easy time getting every LLM I've tried so far to reverse greater than/less than, taller/shorter, or younger/older.