Natural languages are much more complex. Complex for humans: I can learn a new programming language in an afternoon and be reasonably productive in it within a

Natural languages are much more complex. Complex for humans: I can learn a new programming language in an afternoon and be reasonably productive in it within a week or two. I wish I could say the same for natural languages. Complex for computers: We’ve had good compilers since the 50s. Satisfactory language models are less than five years old.