Harry: Airlines have made it possible for anyone to travel around the world in much less time than was formerly possible. Judith: That is not true. Many nights are too expensive for all but the rich. Judith's response shows that she interprets Harry's statement to imply that ['world travel is only possible via routes serviced by airlines', 'most forms of world travel are not affordable for most people', 'anyone can afford to travel long distances by air', 'the majority of people are rich']