This is extremely impressive if it works. But on the other hand, if the number of cases where it works as expected is lower than what we could catch with a (old

This is extremely impressive if it works. But on the other hand, if the number of cases where it works as expected is lower than what we could catch with a (old-Siri-style) heuristics based approach, and the rest fails in unpredictable ways, I'd prefer the dumb old "I did not understand that" response.