While the four rhetorical arguments to prove that Io lacked techne and nous at the moment he delivered well the best of Homer were, according to Io, spoken well, they were not convincinng. Socrates changes tack, deciding to stop arguing to persuade in favour of questioning, but still with a view to challenging Io's view that he has a techne. If Io speaks well, he must surely know what Homer is talking about. In the spirit of dialectial induction,  Socrates begins with an example from the techne of chariot racing. Does Io really know how to make a chariot make a sharp turn?