Earlier quoted context omitted.
You can literally just system-prompt-fix that kind of problem though.
Then why do chat bots still make stuff up? If it is so easily fixable. I think knowing what is actually true is very difficult and chat bots are struggling against a hard problem
Writing is probably the most difficult subject, because even now it's difficult to prompt an LLM to write in a human intonation - but they will do a perfectly good job at explaining how to write (here's a basic essay structure, here are words we avoid in formal writing, etc). You can even augment a writing tutor chatbot by making it use specific, human-written excerpts from English textbooks, instead of allowing it to generate example paragraphs and essays.