This is one of the most difficult problems, and is a member of a class of problems colloquially termed "AI-complete", i.e. requiring all of the different types of knowledge that humans possess (grammar, semantics, facts about the real world, etc.) in order to solve properly.
Dette er en af de mest komplekse problemstillinger og klassificeres ofte som AI-komplet idet al slags menneskelig viden (grammatik, semantik, fakta om verden osv.) kræves for at løse opgaven tilfredsstillende.