People aren't going to be impressed by a harmonica and a light-bulb anymore.
People won't be impressed by a harmonica and a light-bulb, but they might be if you us a trumpet instead.
mnli hypothesis: People won't be impressed by a harmonica and a light-bulb, but they might be if you us a trumpet instead. premise: People aren't going to be impressed by a harmonica and a light-bulb anymore.