The three departures each have contextual grounds, but their clues are different.
Contextual clueEffect on listenerRhetorical treatment
Hint of forthcoming newsAnticipation of an answerNon-questioner as questioner
Conduct suggestive of resistanceAn implied attitude of denialNon-denier as denier
Evidence defeating resistanceReason to relinquish denialDenier as non-denier
One cannot classify these cases merely by counting emphatic devices. The analysis connects contextual clues, listener state, and the speaker’s purpose.