One should apologize only to a person one has wronged, and only for having wronged that person. To apologize sincerely is to acknowledge that one has acted wrongfully. One cannot apologize sincerely unless one intends not to repeat that wrongful act. To accept an apology sincerely is to acknowledge a wrong, but also to vow not to hold a grudge against the wrongdoer. The statements above, if true, most strongly support which one of the following? ['An apology cannot be both sincerely offered and sincerely accepted unless each person acknowledges that a wrongful act has occurred.', 'One cannot sincerely accept an apology that was not sincerely offered.', 'If one commits a wrongful act, then one should sincerely apologize for that act.', 'If one apologizes and subsequently repeats the wrongful act for which one has apologized, then one has not apologized sincerely.']