I guess you're assuming extremely ambiguous english queries, and I'm assuming a good english query similar to my example. With a bad english query, you'll get

I guess you're assuming extremely ambiguous english queries, and I'm assuming a good english query similar to my example. With a bad english query, you'll get bad results guaranteed. This is true for both humans trying to understand what you're saying, and for the poor computer trying to determine conceptual context. GIGO For mathematical formulas and formal queries, the user would need to use formal notation.