> Something mapping text to reliable sources...(waves hands)
You mean basically Google search? What you want is an intelligent search engine, no such search engine exist today but not due to lack of trying, this is a trillion dollar problem.
Not to say that it is easy in absolute terms, but I'd argue that true/false'ing a statement, e.g. "humans should eat 1 rock a day" is a categorically easier problem than answering "What should humans eat"?
For fun/example I asked gpt3.5 "What percent of dieticians would suggest eating one rock a day is good for your health?" And got a pretty solid if wordy 'none'.
You mean basically Google search? What you want is an intelligent search engine, no such search engine exist today but not due to lack of trying, this is a trillion dollar problem.